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201. South Carolina Block Groups 2002

2002. Geographic Data Technology, Inc. (GDT). South Carolina Block Groups represents the U.S. Census block groups of South Carolina. Environmental Systems Research Institute, Inc. (ESRI).

202. South Carolina Major Roads 2002

1999. Geographic Data Technology, Inc. (GDT). South Carolina Major Roads represents interstate, U.S., and state highways and other major thoroughfares within South Carolina. Environmental Systems Research Institute, Inc. (ESRI).

203. South Carolina Rivers 2002

1997. Geographic Data Technology, Inc. (GDT). South Carolina Rivers represents streams and rivers within South Carolina. Environmental Systems Research Institute, Inc. (ESRI).

204. South Carolina Tracts 2002

2002. Geographic Data Technology, Inc. (GDT). South Carolina Tracts represents the U.S. Census tracts and block numbering areas (BNA) of South Carolina. Environmental Systems Research Institute, Inc. (ESRI).

205. South Carolina ZIP Code Areas 2002

2001. Geographic Data Technology, Inc. (GDT). South Carolina ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first dig... Environmental Systems Research Institute, Inc. (ESRI).

206. South Dakota Block Groups 2002

2002. Geographic Data Technology, Inc. (GDT). South Dakota Block Groups represents the U.S. Census block groups of South Dakota. Environmental Systems Research Institute, Inc. (ESRI).

207. South Dakota Major Roads 2002

1999. Geographic Data Technology, Inc. (GDT). South Dakota Major Roads represents interstate, U.S., and state highways and other major thoroughfares within South Dakota. Environmental Systems Research Institute, Inc. (ESRI).

208. South Dakota Rivers 2002

1997. Geographic Data Technology, Inc. (GDT). South Dakota Rivers represents streams and rivers within South Dakota. Environmental Systems Research Institute, Inc. (ESRI).

209. South Dakota Tracts 2002

2002. Geographic Data Technology, Inc. (GDT). South Dakota Tracts represents the U.S. Census tracts and block numbering areas (BNA) of South Dakota. Environmental Systems Research Institute, Inc. (ESRI).

210. South Dakota ZIP Code Areas 2002

2001. Geographic Data Technology, Inc. (GDT). South Dakota ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digit... Environmental Systems Research Institute, Inc. (ESRI).

211. Tennessee Block Groups 2002

2002. Geographic Data Technology, Inc. (GDT). Tennessee Block Groups represents the U.S. Census block groups of Tennessee. Environmental Systems Research Institute, Inc. (ESRI).

212. Tennessee Major Roads 2002

1999. Geographic Data Technology, Inc. (GDT). Tennessee Major Roads represents interstate, U.S., and state highways and other major thoroughfares within Tennessee. Environmental Systems Research Institute, Inc. (ESRI).

213. Tennessee Rivers 2002

1997. Geographic Data Technology, Inc. (GDT). Tennessee Rivers represents streams and rivers within Tennessee. Environmental Systems Research Institute, Inc. (ESRI).

214. Tennessee Tracts 2002

2002. Geographic Data Technology, Inc. (GDT). Tennessee Tracts represents the U.S. Census tracts and block numbering areas (BNA) of Tennessee. Environmental Systems Research Institute, Inc. (ESRI).

215. Tennessee ZIP Code Areas 2002

2001. Geographic Data Technology, Inc. (GDT). Tennessee ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digit of... Environmental Systems Research Institute, Inc. (ESRI).

216. Texas Block Groups 2002

2002. Geographic Data Technology, Inc. (GDT). Texas Block Groups represents the U.S. Census block groups of Texas. Environmental Systems Research Institute, Inc. (ESRI).

217. Texas Major Roads 2002

1999. Geographic Data Technology, Inc. (GDT). Texas Major Roads represents interstate, U.S., and state highways and other major thoroughfares within Texas. Environmental Systems Research Institute, Inc. (ESRI).

218. Texas Rivers 2002

1997. Geographic Data Technology, Inc. (GDT). Texas Rivers represents streams and rivers within Texas. Environmental Systems Research Institute, Inc. (ESRI).

219. Texas Tracts 2002

2002. Geographic Data Technology, Inc. (GDT). Texas Tracts represents the U.S. Census tracts and block numbering areas (BNA) of Texas. Environmental Systems Research Institute, Inc. (ESRI).

220. Texas ZIP Code Areas 2002

2001. Geographic Data Technology, Inc. (GDT). Texas ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digit of a f... Environmental Systems Research Institute, Inc. (ESRI).

221. U.S. Designated Market Areas 2000

1999. Geographic Data Technology, Inc. (GDT). A U.S. Designated Market Area (DMA) is generally the group of surrounding counties or split counties (by five-digit ZIP) in which metropolitan cent... Environmental Systems Research Institute, Inc. (ESRI).

222. U.S. Designated Market Areas 2002

2000. Geographic Data Technology, Inc. (GDT). A U.S. Designated Market Area (DMA) is generally the group of surrounding counties or split counties (by five-digit ZIP) in which metropolitan cent... Environmental Systems Research Institute, Inc. (ESRI).

223. U.S. GDT Airports 2000

1999. Geographic Data Technology, Inc. (GDT). U.S. GDT Airports represents airport boundaries and airport runways within United States. All airports have a boundary and most have at least one r... Environmental Systems Research Institute, Inc. (ESRI).

224. U.S. GDT Airports 2002

1999. Geographic Data Technology, Inc. (GDT). U.S. GDT Airports represents airport boundaries and airport runways within United States. All airports have a boundary and most have at least one r... Environmental Systems Research Institute, Inc. (ESRI).

225. U.S. GDT Institutions 2000

1999. Geographic Data Technology, Inc. (GDT). U.S. GDT Institutions represents point locations within United States for common institution landmark types including hospitals, educational instit... Environmental Systems Research Institute, Inc. (ESRI).

226. U.S. GDT Institutions 2002

1999. Geographic Data Technology, Inc. (GDT). U.S. GDT Institutions represents point locations within United States for common institution landmark types including hospitals, educational instit... Environmental Systems Research Institute, Inc. (ESRI).

227. U.S. GDT Large Area Landmarks 2000

1999. Geographic Data Technology, Inc. (GDT). U.S. GDT Large Area Landmarks represents common landmark areas within United States including military areas, prisons, educational institutions, am... Environmental Systems Research Institute, Inc. (ESRI).

228. U.S. GDT Large Area Landmarks 2002

1999. Geographic Data Technology, Inc. (GDT). U.S. GDT Large Area Landmarks represents common landmark areas within United States including military areas, prisons, educational institutions, am... Environmental Systems Research Institute, Inc. (ESRI).

229. U.S. GDT Park Landmarks 2000

1999. Geographic Data Technology, Inc. (GDT). U.S. GDT Park Landmarks represents parks and forests within United States at National, State, and local levels. Environmental Systems Research Institute, Inc. (ESRI).

230. U.S. GDT Park Landmarks 2002

1999. Geographic Data Technology, Inc. (GDT). U.S. GDT Park Landmarks represents parks and forests within United States at National, State, and local levels. Environmental Systems Research Institute, Inc. (ESRI).

231. U.S. GDT Recreation Areas 2000

1999. Geographic Data Technology, Inc. (GDT). U.S. GDT Recreation Areas represents point locations within United States for common recreation landmarks including golf courses, zoos, resorts, an... Environmental Systems Research Institute, Inc. (ESRI).

232. U.S. GDT Recreation Areas 2002

1999. Geographic Data Technology, Inc. (GDT). U.S. GDT Recreation Areas represents point locations within United States for common recreation landmarks including golf courses, zoos, resorts, an... Environmental Systems Research Institute, Inc. (ESRI).

233. U.S. GDT Retail Centers 2000

1999. Geographic Data Technology, Inc. (GDT). U.S. GDT Retail Centers represents locations within United States for major retail centers. Environmental Systems Research Institute, Inc. (ESRI).

234. U.S. GDT Retail Centers 2002

1999. Geographic Data Technology, Inc. (GDT). U.S. GDT Retail Centers represents locations within United States for major retail centers. Environmental Systems Research Institute, Inc. (ESRI).

235. U.S. GDT Transportation Terminals 2000

1999. Geographic Data Technology, Inc. (GDT). U.S. GDT Transportation Terminals represents locations within United States for transportation terminals such as bus terminals, train stations, mar... Environmental Systems Research Institute, Inc. (ESRI).

236. U.S. GDT Transportation Terminals 2002

1999. Geographic Data Technology, Inc. (GDT). U.S. GDT Transportation Terminals represents locations within United States for transportation terminals such as bus terminals, train stations, mar... Environmental Systems Research Institute, Inc. (ESRI).

237. U.S. Major Roads 2000

1999. Geographic Data Technology, Inc. (GDT). U.S. Major Roads represents interstate, U.S., and state highways and other major thoroughfares within the United States. Environmental Systems Research Institute, Inc. (ESRI).

238. U.S. Major Roads 2002

1999. Geographic Data Technology, Inc. (GDT). U.S. Major Roads represents interstate, U.S., and state highways and other major thoroughfares within the United States. Environmental Systems Research Institute, Inc. (ESRI).

239. U.S. Major Water 2000

1997. Geographic Data Technology, Inc. (GDT). U.S. Major Water represents areas that are major water features within United States. Environmental Systems Research Institute, Inc. (ESRI).

240. U.S. Major Water 2002

1997. Geographic Data Technology, Inc. (GDT). U.S. Major Water represents areas that are major water features within United States. Environmental Systems Research Institute, Inc. (ESRI).

241. U.S. Metropolitan Statistical Areas 2000

1999. Geographic Data Technology, Inc. (GDT). U.S. Metropolitan Statistical Areas represents geographic entities, defined by the United States Office of Management and Budget for use by Federal... Environmental Systems Research Institute, Inc. (ESRI).

242. U.S. Metropolitan Statistical Areas 2002

2000. Geographic Data Technology, Inc. (GDT). U.S. Metropolitan Statistical Areas represents geographic entities, defined by the United States Office of Management and Budget for use by Federal... Environmental Systems Research Institute, Inc. (ESRI).

243. U.S. Populated Place Areas 2000

1999. Geographic Data Technology, Inc. (GDT). U.S. Populated Place Areas represents populated place areas within United States identified by the U.S. Bureau of the Census. Environmental Systems Research Institute, Inc. (ESRI).

244. U.S. Populated Place Areas 2002

2000. Geographic Data Technology, Inc. (GDT). U.S. Populated Place Areas represents populated place areas that include census designated places, consolidated cities, and incorporated places wit... Environmental Systems Research Institute, Inc. (ESRI).

245. U.S. Telephone Area Code Boundaries 2000

2000. Geographic Data Technology, Inc. (GDT). U.S. Telephone Area Code Boundaries represents the telephone area codes for United States. They are also known as Numbering Plan Areas (NPA). Environmental Systems Research Institute, Inc. (ESRI).

246. U.S. Telephone Area Code Boundaries 2002

2002. Geographic Data Technology, Inc. (GDT). U.S. Telephone Area Code Boundaries represents the telephone area codes for United States. They are also known as Numbering Plan Areas (NPA). Environmental Systems Research Institute, Inc. (ESRI).

247. U.S. Three-Digit ZIP Code Areas 2000

1999. Geographic Data Technology, Inc. (GDT). U.S. Three-Digit ZIP Code Areas represents the first three digits of a ZIP Code. The first digit of a five-digit ZIP Code divides the country into... Environmental Systems Research Institute, Inc. (ESRI).

248. U.S. Three-Digit ZIP Code Areas 2002

2001. Geographic Data Technology, Inc. (GDT). U.S. Three-Digit ZIP Code Areas represents the first three digits of a ZIP Code. The first digit of a five-digit ZIP Code divides the country into... Environmental Systems Research Institute, Inc. (ESRI).

249. U.S. Tracts 2000

1999. Geographic Data Technology, Inc. (GDT). U.S. Tracts represents the U.S. Census tracts and block numbering areas (BNA) of the United States in the fifty states and the District of Columbia. Environmental Systems Research Institute, Inc. (ESRI).

250. U.S. Tracts 2002

2002. Geographic Data Technology, Inc. (GDT). U.S. Tracts represents the U.S. Census tracts and block numbering areas (BNA) of the United States in the fifty states and the District of Columbia. Environmental Systems Research Institute, Inc. (ESRI).

251. U.S. ZIP Code Areas 2000

1999. Geographic Data Technology, Inc. (GDT). U.S. ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digit of a fi... Environmental Systems Research Institute, Inc. (ESRI).

252. U.S. ZIP Code Areas 2002

2001. Geographic Data Technology, Inc. (GDT). U.S. ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digit of a fi... Environmental Systems Research Institute, Inc. (ESRI).

253. U.S. ZIP Code Points 2000

1999. Geographic Data Technology, Inc. (GDT). U.S. ZIP Code Points represents five-digit ZIP Code areas as points by placing the location using delivery based centroids and those ZIP Codes that... Environmental Systems Research Institute, Inc. (ESRI).

254. U.S. ZIP Code Points 2002

2001. Geographic Data Technology, Inc. (GDT). U.S. ZIP Code Points represents five-digit ZIP Code areas as points by placing the location using delivery based centroids and those ZIP Codes that... Environmental Systems Research Institute, Inc. (ESRI).

255. Utah Block Groups 2002

2002. Geographic Data Technology, Inc. (GDT). Utah Block Groups represents the U.S. Census block groups of Utah. Environmental Systems Research Institute, Inc. (ESRI).

256. Utah Major Roads 2002

1999. Geographic Data Technology, Inc. (GDT). Utah Major Roads represents interstate, U.S., and state highways and other major thoroughfares within Utah. Environmental Systems Research Institute, Inc. (ESRI).

257. Utah Rivers 2002

1997. Geographic Data Technology, Inc. (GDT). Utah Rivers represents streams and rivers within Utah. Environmental Systems Research Institute, Inc. (ESRI).

258. Utah Tracts 2002

2002. Geographic Data Technology, Inc. (GDT). Utah Tracts represents the U.S. Census tracts and block numbering areas (BNA) of Utah. Environmental Systems Research Institute, Inc. (ESRI).

259. Utah ZIP Code Areas 2002

2001. Geographic Data Technology, Inc. (GDT). Utah ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digit of a fi... Environmental Systems Research Institute, Inc. (ESRI).

260. Vermont Block Groups 2002

2002. Geographic Data Technology, Inc. (GDT). Vermont Block Groups represents the U.S. Census block groups of Vermont. Environmental Systems Research Institute, Inc. (ESRI).

261. Vermont Major Roads 2002

1999. Geographic Data Technology, Inc. (GDT). Vermont Major Roads represents interstate, U.S., and state highways and other major thoroughfares within Vermont. Environmental Systems Research Institute, Inc. (ESRI).

262. Vermont Rivers 2002

1997. Geographic Data Technology, Inc. (GDT). Vermont Rivers represents streams and rivers within Vermont. Environmental Systems Research Institute, Inc. (ESRI).

263. Vermont Tracts 2002

2002. Geographic Data Technology, Inc. (GDT). Vermont Tracts represents the U.S. Census tracts and block numbering areas (BNA) of Vermont. Environmental Systems Research Institute, Inc. (ESRI).

264. Vermont ZIP Code Areas 2002

2001. Geographic Data Technology, Inc. (GDT). Vermont ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digit of a... Environmental Systems Research Institute, Inc. (ESRI).

265. Virginia Block Groups 2002

2002. Geographic Data Technology, Inc. (GDT). Virginia Block Groups represents the U.S. Census block groups of Virginia. Environmental Systems Research Institute, Inc. (ESRI).

266. Virginia Major Roads 2002

1999. Geographic Data Technology, Inc. (GDT). Virginia Major Roads represents interstate, U.S., and state highways and other major thoroughfares within Virginia. Environmental Systems Research Institute, Inc. (ESRI).

267. Virginia Rivers 2002

1997. Geographic Data Technology, Inc. (GDT). Virginia Rivers represents streams and rivers within Virginia. Environmental Systems Research Institute, Inc. (ESRI).

268. Virginia Tracts 2002

2002. Geographic Data Technology, Inc. (GDT). Virginia Tracts represents the U.S. Census tracts and block numbering areas (BNA) of Virginia. Environmental Systems Research Institute, Inc. (ESRI).

269. Virginia ZIP Code Areas 2002

2001. Geographic Data Technology, Inc. (GDT). Virginia ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digit of ... Environmental Systems Research Institute, Inc. (ESRI).

270. Washington Block Groups 2002

2002. Geographic Data Technology, Inc. (GDT). Washington Block Groups represents the U.S. Census block groups of Washington. Environmental Systems Research Institute, Inc. (ESRI).

271. Washington Major Roads 2002

1999. Geographic Data Technology, Inc. (GDT). Washington Major Roads represents interstate, U.S., and state highways and other major thoroughfares within Washington. Environmental Systems Research Institute, Inc. (ESRI).

272. Washington Rivers 2002

1997. Geographic Data Technology, Inc. (GDT). Washington Rivers represents streams and rivers within Washington. Environmental Systems Research Institute, Inc. (ESRI).

273. Washington Tracts 2002

2002. Geographic Data Technology, Inc. (GDT). Washington Tracts represents the U.S. Census tracts and block numbering areas (BNA) of Washington. Environmental Systems Research Institute, Inc. (ESRI).

274. Washington ZIP Code Areas 2002

2001. Geographic Data Technology, Inc. (GDT). Washington ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digit o... Environmental Systems Research Institute, Inc. (ESRI).

275. West Virginia Block Groups 2002

2002. Geographic Data Technology, Inc. (GDT). West Virginia Block Groups represents the U.S. Census block groups of West Virginia. Environmental Systems Research Institute, Inc. (ESRI).

276. West Virginia Major Roads 2002

1999. Geographic Data Technology, Inc. (GDT). West Virginia Major Roads represents interstate, U.S., and state highways and other major thoroughfares within West Virginia. Environmental Systems Research Institute, Inc. (ESRI).

277. West Virginia Rivers 2002

1997. Geographic Data Technology, Inc. (GDT). West Virginia Rivers represents streams and rivers within West Virginia. Environmental Systems Research Institute, Inc. (ESRI).

278. West Virginia Tracts 2002

2002. Geographic Data Technology, Inc. (GDT). West Virginia Tracts represents the U.S. Census tracts and block numbering areas (BNA) of West Virginia. Environmental Systems Research Institute, Inc. (ESRI).

279. West Virginia ZIP Code Areas 2002

2001. Geographic Data Technology, Inc. (GDT). West Virginia ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digi... Environmental Systems Research Institute, Inc. (ESRI).

280. Wisconsin Block Groups 2002

2002. Geographic Data Technology, Inc. (GDT). Wisconsin Block Groups represents the U.S. Census block groups of Wisconsin. Environmental Systems Research Institute, Inc. (ESRI).

281. Wisconsin Major Roads 2002

1999. Geographic Data Technology, Inc. (GDT). Wisconsin Major Roads represents interstate, U.S., and state highways and other major thoroughfares within Wisconsin. Environmental Systems Research Institute, Inc. (ESRI).

282. Wisconsin Rivers 2002

1997. Geographic Data Technology, Inc. (GDT). Wisconsin Rivers represents streams and rivers within Wisconsin. Environmental Systems Research Institute, Inc. (ESRI).

283. Wisconsin Tracts 2002

2002. Geographic Data Technology, Inc. (GDT). Wisconsin Tracts represents the U.S. Census tracts and block numbering areas (BNA) of Wisconsin. Environmental Systems Research Institute, Inc. (ESRI).

284. Wisconsin ZIP Code Areas 2002

2001. Geographic Data Technology, Inc. (GDT). Wisconsin ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digit of... Environmental Systems Research Institute, Inc. (ESRI).

285. Wyoming Block Groups 2002

2002. Geographic Data Technology, Inc. (GDT). Wyoming Block Groups represents the U.S. Census block groups of Wyoming. Environmental Systems Research Institute, Inc. (ESRI).

286. Wyoming Major Roads 2002

1999. Geographic Data Technology, Inc. (GDT). Wyoming Major Roads represents interstate, U.S., and state highways and other major thoroughfares within Wyoming. Environmental Systems Research Institute, Inc. (ESRI).

287. Wyoming Rivers 2002

1997. Geographic Data Technology, Inc. (GDT). Wyoming Rivers represents streams and rivers within Wyoming. Environmental Systems Research Institute, Inc. (ESRI).

288. Wyoming Tracts 2002

2002. Geographic Data Technology, Inc. (GDT). Wyoming Tracts represents the U.S. Census tracts and block numbering areas (BNA) of Wyoming. Environmental Systems Research Institute, Inc. (ESRI).

289. Wyoming ZIP Code Areas 2002

2001. Geographic Data Technology, Inc. (GDT). Wyoming ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digit of a... Environmental Systems Research Institute, Inc. (ESRI).