Bounding Box: -180 -89.81531 180 89.456192 - GeoBlacklight Search Results

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4271. U.S. Parks and Protected Land Areas with Scale Ranking, 1:10 million (2012)

2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts 394 authorized Park Service units in the United States only with scale rankings that are over 100,000 acres. Scale r... North American Cartographic Information Society.

4272. Arctic Ice Chart, March 6, 1995

1995. This polygon shapefile contains ice observations in the Arctic region for March 6, 1995. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).

4273. Arctic Ice Chart, January 3, 1994

1994. This polygon shapefile contains ice observations in the Arctic region for January 3, 1994. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).

4274. Arctic Ice Chart, January 14, 1991

1991. This polygon shapefile contains ice observations in the Arctic region for January 14, 1991. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).

4275. Arctic Ice Chart, February 20, 1995

1995. This polygon shapefile contains ice observations in the Arctic region for February 20, 1995. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).