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1. Adult Salmonid Behavior and Characteristics, Russian River, California, 1990-1995

1990. Circuit Rider Productions. This point shapefile, from the Santa Rosa Subregional Long-Term Wastewater Project, Anadromous Fish Migration Study Program reports, displays the F... Circuit Rider Productions.

2. Council Districts: Philadephia, Pennsylvania

1990. City Planning Commission (PCPC) Department - GIS Division. District boundaries of municipal legislators.

3. 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.

4. Fyke Net Monitoring of Salmonid Passages: Russian River, California, 1990-1995

1990. Circuit Rider Productions. This point shapefile contains results from Fyke net monitoring of salmonid passage that was conducted to evaluate the potential effects of reclaime... Circuit Rider Productions.

5. Geologic Map: Monterey Bay, California, 1990

1990. Maher, Norman. This GeoTIFF image shows the Monterey Bay section of the "Geology of the Central California Continental Margin" map, originally published in 1989 b... Monterey Bay Aquarium Research Institute.

6. Juvenile Salmonid Behavior and Characteristics: Russian River, California, 1990-1995

1990. Circuit Rider Productions. This polygon shapefile shows the results of Fyke net monitoring of juvenile salmonid passage that was conducted to evaluate the potential effects o... Circuit Rider Productions.

7. 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.

8. 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.

9. 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.

10. Rivers: Afghanistan, 1990-2004

1990. United States. Agency for International Development. This line shapefile depicts river features of Afghanistan from 1990 until 2004. These data were created by the United States Defense Mapping Agency... Afghanistan Information Management Service.