You searched for: Subject Biology and Ecology Remove constraint Subject: Biology and Ecology Data type Polygon Remove constraint Data type: Polygon Format Shapefile Remove constraint Format: Shapefile Year 1830 Remove constraint Year: 1830
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.