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1. 1:1,000,000-Scale Streams of the United States, 2014
2014. Geological Survey (U.S.). This map layer shows streams of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer was produced primarily from the Medium-R... Geological Survey (U.S.).
2. 1:1,000,000-Scale Waterbodies and Wetlands of the United States, 2014
2014. Geological Survey (U.S.). This polygon shapefile represents waterbodies and wetlands of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer was produc... Geological Survey (U.S.).
3. 2010 U.S. Drainage Systems (Generalized)
2010. U.S. Drainage Systems (Generalized) represents the major drainage systems within United States. Environmental Systems Research Institute (Redlands, Calif.).
4. 2010 World Drainage Systems
2010. World Drainage Systems represents the major drainage systems of the world. Environmental Systems Research Institute (Redlands, Calif.).
5. Africa: Drainage Directions, 15s resolution, 2007
2007. World Wildlife Fund (WWF). This drainage direction map for Africa defines the direction of flow from each cell in the conditioned digital elevation model to its steepest down... U.S. Geological Survey.
6. Africa: Drainage Directions, 30s resolution, 2007
2007. World Wildlife Fund (WWF). This drainage direction map for Africa defines the direction of flow from each cell in the conditioned digital elevation model to its steepest down... U.S. Geological Survey.
7. Alaska (Rivers, 2010)
Tele Atlas North America, Inc. and ESRI. U.S. and Canada Rivers represents rivers and other linear water features within the United States and Canada.This data set provides six feature cla... Tele Atlas North America, Inc.
8. Asia: Drainage Directions, 15s resolution, 2007
2007. World Wildlife Fund (WWF). This drainage direction map for Asia defines the direction of flow from each cell in the conditioned digital elevation model to its steepest downsl... U.S. Geological Survey.
9. Asia: Drainage Directions, 30s resolution, 2007
2007. World Wildlife Fund (WWF). This drainage direction map for Asia defines the direction of flow from each cell in the conditioned digital elevation model to its steepest downsl... U.S. Geological Survey.
10. Australasia: Drainage Directions, 15s resolution, 2008
2008. World Wildlife Fund (WWF). This drainage direction map for Australasia defines the direction of flow from each cell in the conditioned digital elevation model to its steepest... U.S. Geological Survey.
11. Australasia: Drainage Directions, 30s resolution, 2008
2008. World Wildlife Fund (WWF). This drainage direction map for Australasia defines the direction of flow from each cell in the conditioned digital elevation model to its steepest... U.S. Geological Survey.
12. Barmer Watershed, India: Drainage Areas, 2012
2012. ML InfoMap (Firm). This line shapefile shows the drainage areas of the Barmer Watershed of India for 2012. The district of Barmer lies in the western part of the stat... ML InfoMap (Firm).
13. Beas Watershed, India: Drainage Areas, 2012
2012. ML InfoMap (Firm). This line shapefile shows the drainage areas of the Beas, India watershed for 2012. This layer is part of the Watershed Map of India which includes... ML InfoMap (Firm).
14. Bhadar Watershed, India: Drainage Areas, 2012
2012. ML InfoMap (Firm). This line shapefile shows the drainage areas of the Bhadar Watershed in India for 2012. This layer is part of the Watershed Map of India which incl... ML InfoMap (Firm).
15. Bhatsol Watershed, India: Drainage Areas, 2012
2012. ML InfoMap (Firm). This line shapefile shows the drainage areas of the Bhatsol Watershed in India for 2012. This layer is part of the Watershed Map of India which inc... ML InfoMap (Firm).
16. Brahmani Watershed, India: Drainage Areas, 2012
2012. ML InfoMap (Firm). This line shapefile shows the drainage areas of the Brahmni Watershed in India for 2012. This layer is part of the Watershed Map of India which inc... ML InfoMap (Firm).
17. Brahmaputra Watershed, India: Drainage Areas, 2012
2012. ML InfoMap (Firm). This line shapefile shows drainage areas of the Brahmputra Watershed in India for 2012. This layer is part of the Watershed Map of India which incl... ML InfoMap (Firm).
18. Brookline, MA (Sewer/Drain Easements, 1995)
Massachusetts--Brookline (Town). Town of Brookline sewer and drain easements. This datalayer is developed by the Town's GIS consulting firm, Camp Dresser and McKee, Inc. CDM has us... Brookline (MA) Geographic Information System (City of Brookline GIS).
19. Cambridge, MA (Watershed Basins, 2007)
City of Cambridge GIS. Watershed basins for the city of Cambridge. Cambridge (MA) Geographic Information System (City of Cambridge GIS).
20. Canada (Drainage Systems, 1996)
Environmental Systems Research Institute (Redlands, Calif.). Drainage systems. Environmental Systems Research Institute (Redlands, Calif.).
21. Carmel Bay Watersheds, Monterey County, California, 2015
2015. Monterey County (Calif.). This polygon shapefile contains the boundaries of the Carmel Bay (ASBS), Sawmill Gulch, and Seal Rock, watersheds in Monterey County, California. T... Monterey County (Calif.).
22. Catch Basins and Culverts, Monterey County, California, 2015
2015. Monterey County (Calif.). This point shapefile depicts catch basins and culverts within Monterey County, California. The source data for this layer is the "Monterey Regional... Monterey County (Calif.).
23. Catch Basins for Bakersfield, CA, 2018
2018. This shapefile layer represents catch basins for the city of Bakersfield, CA. This layer was downloaded from the City of Bakersfield Data Portal in... Bakersfield (Calif.). Office of City Manager.
24. Cauvery Watershed, India: Drainage Areas, 2012
2012. ML InfoMap (Firm). This line shapefile shows the drainage areas of the Cauvery (Kaveri) Watershed in India for 2012. This layer is part of the Watershed Map of India ... ML InfoMap (Firm).
25. Central America: Drainage Directions, 15s resolution, 2007
2007. World Wildlife Fund (WWF). This drainage direction map for Central America defines the direction of flow from each cell in the conditioned digital elevation model to its stee... U.S. Geological Survey.
26. Central America: Drainage Directions, 30s resolution, 2007
2007. World Wildlife Fund (WWF). This drainage direction map for Central America defines the direction of flow from each cell in the conditioned digital elevation model to its stee... U.S. Geological Survey.
27. Chambal Watershed, India: Drainage Areas, 2012
2012. ML InfoMap (Firm). This line shapefile shows the drainage areas of the Chambal watershed for 2012. This layer is part of the Watershed Map of India which includes inf... ML InfoMap (Firm).
28. Chenab Watershed, India: Drainage Areas, 2012
2012. ML InfoMap (Firm). This line shapefile shows the drainage areas of the Chenab Watershed in India for 2012. The Chenab River is a major river of Jammu and Kashmir, Ind... ML InfoMap (Firm).
29. Churu Watershed, India: Drainage Areas, 2012
2012. ML InfoMap (Firm). This line shapefile shows the drainage areas of the Churu Watershed in India for 2012. Churu is a district of the Indian state of Rajasthan in west... ML InfoMap (Firm).
30. Drainage Basins for Bakersfield, CA, 2018
2018. This shapefile layer represents drainage basins for the city of Bakersfield, CA. This layer was downloaded from the City of Bakersfield Data Portal... Bakersfield (Calif.). Office of City Manager.
31. Drainage Cambridge MA 2010
Cambridge (Mass.). Geographic Information Systems. This line layer represents areas of drainage in Cambridge, MA. Cambridge (Mass.) Geographic Information Systems.
32. Drainage map, Bartholomew County, Indiana: prepared from 1937 AAA aerial photographs
1947. Blueline.; Prepared under the supervision of: M. Parvis. Scale approximately 1:63,360.
33. Drainage map, Cass County, Indiana: prepared from 1938 AAA aerial photographs
1948. Blue line print.; Prepared under the supervision of: M. Parvis.; Report discrepancies found on this map to Joint Highway Research Project, Purdue U...
34. Drainage map, Monroe County Indiana: prepared from 1939 AAA aerial photographs
1947. Blue line print.; Prepared under the supervision of C.J. Van Til. Scale approximately 1:65,000; Polyconic projection.
35. Drainage map, Noble County Indiana: prepared from 1938 AAA aerial photographs
1953. Blue line print.; 1953.; Prepared by L.R. Magnusson.; Drawn by R.C. Cordero. Scale approximately 1:63,360.; Polyconic projection.
36. Drainage Reports, Monterey County, California, 1999-2013
1999. Monterey County (Calif.). This point shapefile represents locations of reports of drainage activity (1999-2013) in Monterey County, California. This layer is part of a colle... Monterey County (Calif.).
37. Europe: Drainage Directions, 15s resolution, 2008
2008. World Wildlife Fund (WWF). This drainage direction map for Europe defines the direction of flow from each cell in the conditioned digital elevation model to its steepest down... U.S. Geological Survey.
38. Europe: Drainage Directions, 30s resolution, 2008
2008. World Wildlife Fund (WWF). This drainage direction map for Europe defines the direction of flow from each cell in the conditioned digital elevation model to its steepest down... U.S. Geological Survey.
39. Europe (Major Lakes, 2006)
AND International Publishers N.V. (AND Products B.V.), Environmental Systems Research Institute (Redlands, Calif.), AND International Publishers N.V., and U.S. National Imagery and Mapping Agency. Europe Major Lakes contains the major lakes for Europe. U.S. National Imagery and Mapping Agency.
40. Europe (Major Lakes, 2007)
AND International Publishers N.V. (AND Products B.V.), Environmental Systems Research Institute (Redlands, Calif.), AND International Publishers N.V., and U.S. National Imagery and Mapping Agency. Europe Major Lakes contains the major lakes of Europe. U.S. National Imagery and Mapping Agency.
41. Europe (Major Rivers, 2006)
AND International Publishers N.V. (AND Products B.V.), Environmental Systems Research Institute (Redlands, Calif.), AND International Publishers N.V., and U.S. National Imagery and Mapping Agency. Europe Major Rivers contains the major rivers for Europe. U.S. National Imagery and Mapping Agency.
42. Europe (Major Rivers, 2007)
AND International Publishers N.V. (AND Products B.V.), AND International Publishers N.V., U.S. National Imagery and Mapping Agency, and Environmental Systems Research Institute (Redlands, Calif.)ESRI. Europe Major Rivers contains the major rivers of Europe. U.S. National Imagery and Mapping Agency.
43. Europe (Major Water, 1999)
AND Data Solutions, B.V. and Environmental Systems Research Institute (Redlands, Calif.). Europe Major Water represents the major inland water for Europe. AND Data Solutions, B.V.
44. Europe (Major Water Bodies, 2005)
AND International Publishers N.V., U.S. National Imagery and Mapping Agency, and Environmental Systems Research Institute (Redlands, Calif.). Europe Major Water contains the major inland water for Europe. U.S. National Imagery and Mapping Agency.
45. Europe (Rivers and Lakes, 2005)
AND International Publishers N.V. and Environmental Systems Research Institute (Redlands, Calif.). Europe Water contains rivers and lakes for Europe. AND International Publishers N.V.
46. Europe (Water Bodies, 1999)
AND Data Solutions, B.V. and Environmental Systems Research Institute (Redlands, Calif.). Europe Water Bodies represents the non-major inland water for Europe. AND Data Solutions, B.V.
47. Europe (Water Bodies, 2006)
AND International Publishers N.V. (AND Products B.V.), Environmental Systems Research Institute (Redlands, Calif.), and AND International Publishers N.V. Europe Water Bodies contains rivers, lakes, and other inland water bodies for Europe. AND International Publishers N.V.
48. Ghaghar Watershed, India: Drainage Areas, 2012
2012. ML InfoMap (Firm). This line shapefile shows the drainage areas of the Ghaghar Watershed in India for 2012. This layer is part of the Watershed Map of India which inc... ML InfoMap (Firm).
49. Global Map: 1:1,000,000-Scale Canals and Aqueducts of the United States, 2014
2014. National Atlas of the United States. This line shapefile includes Global Map data showing the canals, aqueducts, and the Intracoastal Waterway in the United States, Puerto Rico, and th... National Atlas of the United States.
50. Global Map: 1:1,000,000-Scale Inland Water Areas of the United States, 2014
2014. Geological Survey (U.S.). This polygon shapefile includes Global Map data showing waterbodies and wetlands of the United States, Puerto Rico, and the U.S. Virgin Islands. Th... Geological Survey (U.S.).
51. Global Map: 1:1,000,000-Scale Streams of the United States, 2014
2014. National Atlas of the United States. This line shapefile includes Global Map data showing streams in the United States, Puerto Rico, and the U.S. Virgin Islands. The data are a modifie... National Atlas of the United States.
52. Godavari Watershed, India: Drainage Areas, 2012
2012. ML InfoMap (Firm). This line shapefile shows the drainage areas of the Godavari Watershed in India for 2012. This layer is part of the Watershed Map of India which in... ML InfoMap (Firm).
53. Hydrology, Jasper Ridge Biological Preserve, 2017
2017. Jasper Ridge Biological Preserve (Agency). This polygon shapefile represents hydrological features, including streams and drainage, in the San Francisquito Creek watershed, located in the Ja... Jasper Ridge Biological Preserve (Agency).
54. Imphal Watershed, India: Drainage Areas, 2012
2012. ML InfoMap (Firm). This polygon shapefile shows the drainage areas of the Imphal Watershed in India for 2012. This layer is part of the Watershed Map of India which i... ML InfoMap (Firm).
55. India, Delhi (Surface Water, 2007)
ML Infomap. Surface water in Delhi, India. ML Infomap.
56. India, Hyderabad (Surface Water, 2007)
ML Infomap. Surface water in Hyderabad, India. ML Infomap.
57. India, Mumbai (Surface Water, 2007)
ML Infomap. Surface water in Mumbai, India. ML Infomap.
58. Indus Watershed, India: Drainage Areas, 2012
2012. ML InfoMap (Firm). This line shapefile shows the drainage areas of the of Indus Watershed in India for 2012. This layer is part of the Watershed Map of India which in... ML InfoMap (Firm).
59. Intermediate Discharges into Near Coastal Marine Waters: Southern California, 2003
2003. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile depicts intermediate discharges into Southern California's near-coastal marine waters, but does not include discharges into ... California. Department of Fish and Game. Marine Resources Region.
60. Krishna Watershed, India: Drainage Areas, 2012
2012. ML InfoMap (Firm). This polyline dataset shows the drainage areas of the Krishna Watershed of India for 2012. The Krishna watershed lies within the states of Maharash... ML InfoMap (Firm).
61. Kutch Watershed, India: Drainage Areas, 2012
2012. ML InfoMap (Firm). This line shapefile shows the drainage areas of the Kutch Watershed in India for 2012. This layer is part of the Watershed Map of India which inclu... ML InfoMap (Firm).
62. Lakes: Afghanistan, 1990-2004
1990. Afghanistan Information Management Service. This polygon shapefile represents the lakes of Afghanistan from the United States Defense Mapping Agency (USDMA) 1:100,000 scale topo maps. This la... Afghanistan Information Management Service.
63. Lower Ganga Watershed, India: Drainage Areas, 2012
2012. ML InfoMap (Firm). This line shapefile shows the drainage areas of the Lower Ganga Watershed in India for 2012. This layer is part of the Watershed Map of India which... ML InfoMap (Firm).
64. Luni Watershed, India: Drainage Areas, 2012
2012. ML InfoMap (Firm). This line shapefile shows the drainage areas of the Luni Watershed in India for 2012. This layer is part of the Watershed Map of India which includ... ML InfoMap (Firm).
65. Mahanadi Watershed, India: Drainage Areas, 2012
2012. ML InfoMap (Firm). This line shapefile shows the drainage areas of the Mahanadi Watershed in India for 2012. This layer is part of the Watershed Map of India which in... ML InfoMap (Firm).
66. Mahi Watershed, India: Drainage Areas, 2012
2012. ML InfoMap (Firm). This line shapefile shows the drainage areas of the Mahi Watershed in India for 2012. This layer is part of the Watershed Map of India which includ... ML InfoMap (Firm).
67. Major Discharges into Near Coastal Marine Waters: Southern California, 2003
2003. This polygon shapefile depicts major discharges into Southern California's near-coastal marine waters, but does not include discharges into enclose... California. Department of Fish and Game. Marine Resources Region.
68. Major Rivers: Afghanistan, 1990-2004
1990. Afghanistan Information Management Service. This polygon shapefile represents the river features of the major river regions of Afghanistan for 2005. This layer is part of the Topographic Maps... Afghanistan Information Management Service.
69. Major Storm Water Discharge: Southern California, 2009
2009. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile depicts the extent of area affected by the top twenty areas of stormwater discharge in the Southern California Bight. The or... California. Department of Fish and Game. Marine Resources Region.
70. Major Wastewater Discharge: Southern California, 2008
2008. California. Department of Fish and Game. Marine Resources Region. This point shapefile depicts locations of wasterwater discharges into Southern California's near-coastal marine waters, but does not include discha... California. Department of Fish and Game. Marine Resources Region.
71. Mexico (Drainage Systems, 1990)
Rand McNally & Company, Bartholemew and Times Books, Defense Mapping Agency, presently known as National Imagery and Mapping Agency, Environmental Systems Research Institute (Redlands, Calif.), and Environmental Systems Research Institute, Inc. (ESRI). Mexico Drainage represents the major drainage systems within Mexico. Environmental Systems Research Institute (ESRI).
72. Mexico (Rivers, 1990)
Rand McNally & Company, Bartholemew and Times Books, Defense Mapping Agency, presently known as National Imagery and Mapping Agency, Environmental Systems Research Institute (Redlands, Calif.), and Environmental Systems Research Institute, Inc. (ESRI). Mexico Rivers represents the major rivers within Mexico. Environmental Systems Research Institute (ESRI).
73. Minor Discharges into Near-Coastal Marine Waters: Southern California, 2008
2008. California. Department of Fish and Game. Marine Resources Region. This point shapefile depicts locations of minor discharges into Southern California's near-coastal marine waters, but does not include discharges i... California. Department of Fish and Game. Marine Resources Region.
74. Narmada Watershed, India: Drainage Areas, 2012
2012. ML InfoMap (Firm). This line shapefile shows the drainage areas of the Narmada Watershed in India for 2012. This layer is part of the Watershed Map of India which inc... ML InfoMap (Firm).
75. New Jersey (Rivers, 1993)
New Jersey. Department of Environmental Protection and United States Geological Survey. This data is a graphical representation of New Jersey's State Rivers that are third order or higher. These rivers were reselected from each county'... USGS.
76. New Jersey (Streams, 1998)
New Jersey. Department of Environmental Protection and United States Geological Survey. This data represents the streams of Bergen County, New Jersey. The hydrography stream network for this county was generated as a line ArcInfo cover... USGS.
77. New Jersey (Surface Water Quality Standards, 2005)
New Jersey. Department of Environmental Protection, United States Geological Survey, United States Census Bureau, New Jersey Pinelands Commission, and New Jersey Department of Environmental Protection (NJDEP), Green Acres Program. ADVISORY: Users should check back periodically for updated releases and attention to the information contained within this metadata record is impo... Green Acres Program.
78. North America: Drainage Directions, 15s resolution, 2009
2009. World Wildlife Fund (WWF). This drainage direction map for North America defines the direction of flow from each cell in the conditioned digital elevation model to its steepe... U.S. Geological Survey.
79. North America: Drainage Directions, 30s resolution, 2009
2009. World Wildlife Fund (WWF). This drainage direction map for North America defines the direction of flow from each cell in the conditioned digital elevation model to its steepe... U.S. Geological Survey.
80. Pennar Watershed, India: Drainage Areas, 2012
2012. ML InfoMap (Firm). This line shapefile shows the drainage areas of the Pennar Watershed in India for 2012. This layer is part of the Watershed Map of India which incl... ML InfoMap (Firm).
81. Periyar Watershed, India: Drainage Areas, 2012
2012. ML InfoMap (Firm). This line shapefile shows the drainage areas of the Periyar Watershed in India for 2012. This layer is part of the Watershed Map of India which inc... ML InfoMap (Firm).
82. Qura Qush Watershed, India: Drainage Areas, 2012
2012. ML InfoMap (Firm). This line shapefile shows the drainage areas of the Qura Qush Watershed in India for 2012. This layer is part of the Watershed Map of India which i... ML InfoMap (Firm).
83. Ravi Watershed, India: Drainage Areas, 2012
2012. ML InfoMap (Firm). This line shapefile shows the drainage areas of the Ravi Watershed in India for 2012. This layer is part of the Watershed Map of India which includ... ML InfoMap (Firm).
84. River Basins and Sub-Basins: Kenya, 1992
1992. World Resources Institute. This polygon shapefile shows river basins and sub-basins, as well as areas of drainage and subdrainage in Kenya. This data was used in selected map... World Resources Institute.
85. Rivers: Afghanistan, 1990-2004
1990. United States. Agency for International Development. This line shapefile depicts river features of Afghanistan from 1990 until 2004. These data were created by the United States Defense Mapping Agency... Afghanistan Information Management Service.
86. Sabarmati Watershed, India: Drainage Areas, 2012
2012. ML InfoMap (Firm). This line shapefile shows the drainage areas of the Sabarmati Watershed in India for 2012. This layer is part of the Watershed Map of India which i... ML InfoMap (Firm).
87. Small-Scale Irrigation and Drainage Points in Kenya, 1995
1995. Kenya. Ministry of Agriculture. This point shapefile contains locations of existing small-scale irrigation and drainage points in Kenya. Clusters of small-scale irrigation points ... Kenya. Ministry of Agriculture.
88. South America: Drainage Directions, 15s resolution, 2006
2006. World Wildlife Fund (WWF). This drainage direction map for South America defines the direction of flow from each cell in the conditioned digital elevation model to its steepe... U.S. Geological Survey.
89. South America: Drainage Directions, 30s resolution, 2006
2006. World Wildlife Fund (WWF). This drainage direction map for South America defines the direction of flow from each cell in the conditioned digital elevation model to its steepe... U.S. Geological Survey.
90. Storm Districts, San Joaquin County, California, 2015
2015. San Joaquin County (Calif.). Community Development Department. This polygon shapefile contains the boundaries of storm districts in San Joaquin County, California as of July 2015. Storm districts are collectors... San Joaquin County (Calif.). Community Development Department.
91. Storm Drains, Monterey County, California, 2015
2015. Monterey County (Calif.). This line shapefile represents sotrm drains in Monterey County, California. This layer is part of a collection of GIS data for Monterey County in C... Monterey County (Calif.).
92. Stormwater Runoff Outfalls: Santa Clara County, California, 2008
2008. Santa Clara Valley Water District (Calif.). This point shapefile depicts centroid locations of Stormwater Runoff Storm Drain Outfalls, for outfalls greater than or equal to 18 inches in diame... Santa Clara Valley Water District (Calif.).
93. Streamflow Gaging Stations of the United States, 2013
2013. Geological Survey (U.S.). This point shapefile contains selected streamflow gaging stations of the United States, Puerto Rico, and the U.S. Virgin Islands, in 2013. Gaging s... Geological Survey (U.S.).
94. Surma Watershed, India: Drainage Areas, 2012
2012. ML InfoMap (Firm). This line shapefile shows the drainage areas of the Surma Watershed in India for 2012. This layer is part of the Watershed Map of India which inclu... ML InfoMap (Firm).
95. Sutlej Watershed, India: Drainage Areas, 2012
2012. ML InfoMap (Firm). This line shapefile shows the drainage areas of the Sutlej Watershed in India for 2012. This layer is part of the Watershed Map of India which incl... ML InfoMap (Firm).
96. Swaziland (Drainage Lines, 2002)
not confirmed. Swaziland drainage lines. Southern Africa Humanitarian Information Management System (SAHIMS).
97. Tapi Watershed, India: Drainage Areas, 2012
2012. ML InfoMap (Firm). This line shapefile shows the drainage areas of the Tapi Watershed in India for 2012. This layer is part of the Watershed Map of India which includ... ML InfoMap (Firm).
98. Upper Ganga Watershed, India: Drainage Areas, 2012
2012. ML InfoMap (Firm). This line shapefile shows the drainage areas of the Upper Ganga Watershed in India for 2012. This layer is part of the Watershed Map of India which... ML InfoMap (Firm).
99. U.S. Drainage Systems (Generalized), 1990-1992
1990. Environmental Systems Research Institute (Redlands, Calif.). This line shapefile represents the major drainage systems within United States. This layer is part of the 2014 ESRI Data and Maps collection for Ar... Environmental Systems Research Institute (Redlands, Calif.).
100. USA (Drainage Systems Generalized, 2000)
Environmental Systems Research Institute, Inc. (ESRI), Rand McNally & Company, Defense Mapping Agency, presently known as National Imagery and Mapping Agency, and Bartholemew and Times Books. U.S. Drainage Systems (Generalized) represents the major drainage systems within United States. Environmental Systems Research Institute (ESRI).