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1. Counties: Russian River Watershed, California, 1990

1990. Circuit Rider Productions. This polygon dataset contains county boundaries and features (usually shorelines). The county outlines were digitized from 1:100,000 scale mylar US... Circuit Rider Productions.

2. Lakes: Afghanistan, 1990-2004

1990. Afghanistan Information Management Service. This polygon shapefile represents the lakes of Afghanistan from the United States Defense Mapping Agency (USDMA) 1:100,000 scale topo maps. This la... Afghanistan Information Management Service.

3. Major Basins, Main Rivers, and Branch River Watersheds of Afghanistan

1990. Afghanistan Information Management Service. This polygon shapefile shows the main rivers, basoins and watersheds of Afghanistan with province district boundaries.This dataset is intended for ... Afghanistan Information Management Service.

4. Major Rivers: Afghanistan, 1990-2004

1990. Afghanistan Information Management Service. This polygon shapefile represents the river features of the major river regions of Afghanistan for 2005. This layer is part of the Topographic Maps... Afghanistan Information Management Service.

5. United States Lakes (Generalized), 1990-1992

1990. Environmental Systems Research Institute (Redlands, Calif.). This polygon shapefile represents the major lakes within the United States at 1:5,000,000 scale. This layer is part of the 2014 ESRI Data and Maps ... Environmental Systems Research Institute (Redlands, Calif.).