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You searched for: Author National Atlas of the United States Remove constraint Author: National Atlas of the United States Format Shapefile Remove constraint Format: Shapefile Publisher National Atlas of the United States Remove constraint Publisher: National Atlas of the United States Place Mexico Remove constraint Place: Mexico
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1. North American Bat Ranges, 1830-2008

1830. National Atlas of the United States. This poygon shapefile portrays the distributions of United States and Canadian bat species during the past 100-150 years (1830-2009). The specimen ... National Atlas of the United States.

2. Volcanoes: United States, 2004

2004. National Atlas of the United States. This point shapefile includes Holocene volcanoes, which are those thought to be active in the last 10,000 years, that are within an extended area o... National Atlas of the United States.