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National Hydrography Dataset



  State Extraction


Due to space constraints all states may not be listed. Please check the ftp site: ftp://nhdftp.usgs.gov/StateExtracts/High/FileGDB/.
If the state is not listed, please send your request to nhd@usgs.gov.

Note: If a more recent extraction is needed, please specify the reasoning.

File Name Size Date Processed
Alaska 750,991 KB 8/17/2009
Alabama 256,941 KB 9/30/2009
Arkansas 275,062 KB 9/20/2009
Arizona 282,250 KB 8/13/2009
California 479,007 KB 11/17/2009
Colorado 401,625 KB 8/26/2009
Connecticut 44,195 KB 8/28/2009
Delaware 47,237 KB 9/14/2009
Florida 300,925 KB 10/5/2009
Georgia 316,519 KB 10/5/2009
Hawaii 9,307 KB 11/25/2009
Idaho 254,507 KB 11/26/2009
Illinois 241,576 KB 11/26/2009
Indiana 104,705 KB 10/5/2009
Iowa 282,323 KB 11/26/2009
Kansas 344,107 KB 9/16/2009
Kentucky 197,269 KB 10/19/2009
Louisiana 335,805 KB 11/19/2009
Massachusetts 102,964 KB 11/1/2009
Maryland 73,853 KB 11/25/2009
Maine 100,837 KB 11/26/2009
Michigan 137,948 KB 11/26/2009
Minnesota 183,184 KB 6/30/2009
Missouri 348,534 KB 8/5/2009
Mississippi 295,677 KB 9/9/2009
Montana 404,595 KB 8/28/2009
North Carolina 313,190 KB 9/30/2009
North Dakota 238,600 KB 9/4/2009
Nebraska 337,084 KB 11/30/2009
New Hampshire 58,687KB 8/19/2009
New Jersey 65,621 KB 10/11/2009
New Mexico 288,121 KB 7/24/2009
Nevada 331,017 KB 7/27/2009
New York 211,214 KB 10/12/2009
Ohio 169,377 KB 11/26/2009
Oklahoma 364,668 KB 10/14/2009
Oregon 435,054 KB 7/27/2009
Pennsylvania 189,857 KB 6/30/2009
Pacific Northwest 732,307 KB 5/21/2009
Rhode Island 29,524 KB 8/21/2009
South Carolina 141,325 KB 10/5/2009
South Dakota 324,723 KB 6/27/2009
Tennessee 262,287 KB 10/26/2009
Texas 811,923 KB 8/10/2009
Utah 263,360 KB 8/21/2009
Vermont 55,132 KB 9/8/2009
Virginia 235,653 KB 11/24/2009
Washington 283,152 KB 6/18/2009
Wisconsin 160,713 KB 8/11/2009
West Virginia 144,886 KB 11/25/2009
Wyoming 371,229 KB 9/8/2009


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URL: http://nhd.usgs.gov/state_extraction.html
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Last modified: Friday, 07-May-2010 14:58:12 EDT