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Inland Waters
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101. Major River Basins: Pennsylvania
1998. Environmental Resources Research Institute. This polygon layer delineates the boundaries of 8 major watersheds in Pennsylvania that have shown through past vertebrate inventory collection rec...
102. Major Rivers: Pennsylvania
1996. Environmental Resources Research Institute. Major rivers as derived from Pennsylvania Dept. of Transportation's streams database, which is organized by county.
103. Major Watersheds of the Susquehanna River Basin
2006. SRBC. Polygon shapefile that includes the major watersheds of the Susquehanna River Basin (2006 boundary). This file was created by dissolving the wshed2...
104. Map Packages: GIS Data for Watersheds: Pennsylvania
2005. Susquehanna River Basin Commission. Collection of various map packages for the Susquehanna River Basin Commission (SRBC). Each map package contains shapefiles, pdf's, and jpegs of the...
105. Middle Susquehanna Subbasin
2006. SRBC. Polygon shapefile of the Middle Susquehanna Subbasin. This file was created from the 2006 subbasin.shp SRBC dataset.
106. Municipal boundaries for New York clipped to the Delaware River Basin
2004. Delaware River Basin Commission (DRBC). Municipal boundaries for New York clipped to the Delaware River Basin.
107. Municipal boundaries for Pennsylvania clipped to the Delaware River Basin
2004. Delaware River Basin Commission (DRBC). Municipal boundaries for Pennsylvania clipped to the Delaware River Basin.
108. Municipal Boundaries: New Jersey
2004. Delaware River Basin Commission (DRBC). New Jersey municipal boundaries.
109. National Atmospheric Deposition Program 2004 - Pennsylvania
2004. U.S. Geological Survey. The National Atmospheric Deposition Programational Trends Network (NADPTN) is a nationwide network of precipitation monitoring sites. The network i...
110. National Atmospheric Deposition Program 2005 - Pennsylvania
2005. U.S. Geological Survey. The National Atmospheric Deposition Programational Trends Network (NADPTN) is a nationwide network of precipitation monitoring sites. The network i...
111. National Flood Hazard Layer: Adams County, Pennsylvania
2016. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
112. National Flood Hazard Layer: Allegheny County, Pennsylvania
2016. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
113. National Flood Hazard Layer: Armstrong County, Pennsylvania
2016. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
114. National Flood Hazard Layer: Beaver County, Pennsylvania
2016. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
115. National Flood Hazard Layer: Bedford County, Pennsylvania
2012. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
116. National Flood Hazard Layer: Berks County, Pennsylvania
2017. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
117. National Flood Hazard Layer: Blair County, Pennsylvania
2016. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
118. National Flood Hazard Layer: Bradford County, Pennsylvania
2016. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
119. National Flood Hazard Layer: Bucks County, Pennsylvania
2017. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
120. National Flood Hazard Layer: Cambria County, Pennsylvania
2012. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
121. National Flood Hazard Layer: Cameron County, Pennsylvania
2011. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
122. National Flood Hazard Layer: Carbon County, Pennsylvania
2002. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
123. National Flood Hazard Layer: Centre County, Pennsylvania
2017. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
124. National Flood Hazard Layer: Chester County, Pennsylvania
2016. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
125. National Flood Hazard Layer: Clarion County, Pennsylvania
2014. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
126. National Flood Hazard Layer: Clearfield County, Pennsylvania
2011. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
127. National Flood Hazard Layer: Clinton County, Pennsylvania
2016. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
128. National Flood Hazard Layer: Columbia County, Pennsylvania
2008. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
129. National Flood Hazard Layer: Crawford County, Pennsylvania
2014. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
130. National Flood Hazard Layer: Cumberland County, Pennsylvania
2013. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
131. National Flood Hazard Layer: Dauphin County, Pennsylvania
2016. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
132. National Flood Hazard Layer: Delaware County, Pennsylvania
2017. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
133. National Flood Hazard Layer: Elk County, Pennsylvania
2016. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
134. National Flood Hazard Layer: Erie County, Pennsylvania
2017. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
135. National Flood Hazard Layer: Fayette County, Pennsylvania
2017. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
136. National Flood Hazard Layer: Forest County, Pennsylvania
2010. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
137. National Flood Hazard Layer: Franklin County, Pennsylvania
2012. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
138. National Flood Hazard Layer: Fulton County, Pennsylvania
2011. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
139. National Flood Hazard Layer: Greene County, Pennsylvania
2015. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
140. National Flood Hazard Layer: Huntingdon County, Pennsylvania
2012. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
141. National Flood Hazard Layer: Indiana County, Pennsylvania
2012. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
142. National Flood Hazard Layer: Jefferson County, Pennsylvania
2017. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
143. National Flood Hazard Layer: Juniata County, Pennsylvania
2012. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
144. National Flood Hazard Layer: Lancaster County, Pennsylvania
2017. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
145. National Flood Hazard Layer: Lawrence County, Pennsylvania
2012. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
146. National Flood Hazard Layer: Lebanon County, Pennsylvania
2016. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
147. National Flood Hazard Layer: Lehigh County, Pennsylvania
2009. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
148. National Flood Hazard Layer: Luzerne County, Pennsylvania
2016. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
149. National Flood Hazard Layer: Lycoming County, Pennsylvania
2016. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
150. National Flood Hazard Layer: McKean County, Pennsylvania
2016. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
151. National Flood Hazard Layer: Mercer County, Pennsylvania
2016. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
152. National Flood Hazard Layer: Mifflin County, Pennsylvania
2011. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
153. National Flood Hazard Layer: Monroe County, Pennsylvania
2017. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
154. National Flood Hazard Layer: Montgomery County, Pennsylvania
2017. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
155. National Flood Hazard Layer: Montour County, Pennsylvania
2008. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
156. National Flood Hazard Layer: Northampton County, Pennsylvania
2014. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
157. National Flood Hazard Layer: Northumberland County, Pennsylvania
2016. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
158. National Flood Hazard Layer: Perry County, Pennsylvania
2009. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
159. National Flood Hazard Layer: Philadelphia County, Pennsylvania
2016. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
160. National Flood Hazard Layer: Pike County, Pennsylvania
2000. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
161. National Flood Hazard Layer: Potter County, Pennsylvania
2014. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
162. National Flood Hazard Layer: Schuylkill County, Pennsylvania
2014. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
163. National Flood Hazard Layer: Somerset County, Pennsylvania
2015. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
164. National Flood Hazard Layer: Sullivan County, Pennsylvania
2014. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
165. National Flood Hazard Layer: Susquehanna County, Pennsylvania
2015. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
166. National Flood Hazard Layer: Synder County, Pennsylvania
2007. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
167. National Flood Hazard Layer: Tioga County, Pennsylvania
2016. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
168. National Flood Hazard Layer: Union County, Pennsylvania
2009. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
169. National Flood Hazard Layer: Venango County, Pennsylvania
2015. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
170. National Flood Hazard Layer: Warren County, Pennsylvania
2017. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
171. National Flood Hazard Layer: Washington County, Pennsylvania
2016. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
172. National Flood Hazard Layer: Wayne County, Pennsylvania
2013. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
173. National Flood Hazard Layer: Westmoreland County, Pennsylvania
2016. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
174. National Flood Hazard Layer: Wyoming County, Pennsylvania
2012. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
175. National Flood Hazard Layer: York County, Pennsylvania
2017. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...
176. National Hydrography Dataset (NHD) - High-resolution: area features
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...
177. National Hydrography Dataset (NHD) Flowline: Allegheny
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...
178. National Hydrography Dataset (NHD) Flowline: Delaware
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...
179. National Hydrography Dataset (NHD) Flowline: Erie
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...
180. National Hydrography Dataset (NHD) Flowline: Monongahela
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...
181. National Hydrography Dataset (NHD) Flowline: PA, NY, NJ, MD
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...
182. National Hydrography Dataset (NHD) Flowline: Pennsylvania
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...
183. National Hydrography Dataset (NHD) Flowline: Pennsylvania (medium resolution)
1999. U.S. Geological Survey in cooperation with the U.S. Environmental Protection Agency. The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the sream segments or reaches that co...
184. National Hydrography Dataset (NHD) Flowline: Potomac
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...
185. National Hydrography Dataset (NHD) Flowline: Southwest Lake Ontario
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...
186. National Hydrography Dataset (NHD) Flowline: Susquehanna
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...
187. National Hydrography Dataset (NHD) Flowline: Upper Chesapeake
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...
188. National Hydrography Dataset (NHD) Flowline: Upper Ohio
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...
189. National Hydrography Dataset (NHD) Reach: Pennsylvania
2004. USGS. A compilation of all medium resolution reach layers from National Hydrography Datasets in or adjacent to Pennsylvania.
190. National Hydrography Dataset (NHD) Waterbody: Allegheny
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...
191. National Hydrography Dataset (NHD) Waterbody: Delaware
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...
192. National Hydrography Dataset (NHD) Waterbody: Erie
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...
193. National Hydrography Dataset (NHD) Waterbody: Monongahela
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...
194. National Hydrography Dataset (NHD) Waterbody: Pennsylvania
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...
195. National Hydrography Dataset (NHD) Waterbody: Pennsylvania (medium resolution)
1999. U.S. Geological Survey in cooperation with the U.S. Environmental Protection Agency. The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the sream segments or reaches that co...
196. National Hydrography Dataset (NHD) Waterbody: Potomac
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...
197. National Hydrography Dataset (NHD) Waterbody: Southwest Lake Ontario
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...
198. National Hydrography Dataset (NHD) Waterbody: Susquehanna
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...
199. National Hydrography Dataset (NHD) Waterbody: Upper Chesapeake
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...
200. National Hydrography Dataset (NHD) Waterbody: Upper Ohio
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...
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