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Topographic Science

Contour & Preliminary Contour Data

To download the Contour and Preliminary Contour Data, you'll need to click on the links below and "Save" the Zip file to your computer.


Contour Data    Documentation

Connecticut (0.12 GB)

Delaware (0.01 GB)

Florida (0.51 GB)

Georgia (1.6 GB)

Illinois (1.5 GB)

Kansas (2.45 GB)

Louisiana (1.6 GB)

Maine (1.0 GB)

Maryland (0.31 GB)

Massachusetts (0.29 GB)

Missouri (2.9 GB)

Mississippi (1.7 GB)

Nebraska (3.0 GB)

New Hampshire (0.34 GB)

New Jersey (0.14 GB)

Nevada (3.5 GB)

New York (1.3 GB)

Rhode Island (0.08 GB)

South Carolina (0.86 GB)

South Dakota (2.2 GB)

Vermont (0.18 GB)

Wyoming (3.6 GB)

Preliminary Contour Data    Documentation

Alabama (2.1 GB)

Arkansas (1.5 GB)

Arizona (3.9 GB)

California Central (2.4 GB)

California North (2.0 GB)

California South (2.3 GB)

Colorado (3.2 GB)

Iowa (1.5 GB)

Idaho (3.3 GB)

Indiana (1.4 GB)

Kentucky (3.2 GB)

Michigan (1.3 GB)

Minnesota (1.5 GB)

Montana East (2.8 GB)

Montana West (2.6 GB)

North Carolina (2.7 GB)

North Dakota (1.7 GB)

New Mexico (3.3 GB)

Ohio (1.7 GB)

Oklahoma (2.2 GB)

Oregon (3.6 GB)

Pennsylvania (2.4 GB)

Tennessee (1.5 GB)

Texas East (3.6 GB)

Texas West (2.6 GB)

Utah (3.0 GB)

Virginia (2.1 GB)

Washington (3.1 GB)

Wisconsin (2.2 GB)

West Virginia (2.0 GB)

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Page Last Modified: October 09, 2012