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You searched for: Genre Geospatial data Remove constraint Genre: Geospatial data Subject Environment Remove constraint Subject: Environment Time Period 1950-1999 Remove constraint Time Period: 1950-1999
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Prairie Change Analysis 1991-2008: Minnesota minnesota

1991-2008. Minnesota Department of Natural Resources (DNR). This dataset displays the results of a prairie/savanna change analysis study completed in May 2010. The area reviewed consists of 1,521 sites iden...


Toxic chemical Release Inventory data for Pennsylvania penn-state

1994. U S Environmental Protection Agency. This data layer includes point locations for Toxic Chemical Release Inventory (TRI) data from the Environmental Protection Agency's Toxic Release I...


Watersheds - 8 Digit Watersheds: Maryland maryland

1998. ArcGIS Online for Maryland. This is a MD iMAP hosted service layer. Find more information at file (SWSUB8) is a statewide digital watershed file....


Wooded Areas: Washington, D.C., 1999 maryland

1999. City of Washington, DC. Wooded areas captured in 1999. Contract NCPC 93-02. This document describes the planimetric map production for the 350 tiles located in Washington ...