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1. Hydrographic Polygons: Russian River Basin, California, 1998-2002

1998. Circuit Rider Productions. This polygon shapefile represents flowing waters (rivers and streams), standing waters (lakes and ponds), and wetlands -- both natural and manmade.... Circuit Rider Productions.

2. North America (Major Water Bodies, 2009)

Tele Atlas B.V. and Environmental Systems Research Institute (Redlands, Calif.). Environmental Systems Research Institute (Redlands, Calif.).