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41. Public Land Survey System, Townships, Ranges and Sections: Russian River Watershed, California, 1993

2000. Circuit Rider Productions. This polygon shapefile depicts the townships, ranges and sections contained in the Public Land Survey System grid for the State of California. Town... Circuit Rider Productions.

42. Riparian Extent: Alexander Valley Reach, Russian River, California, 2000

2000. Circuit Rider Productions. This polygon shapefile shows the riparian extent of the Russian River main stem, Alexander Valley Reach, Sonoma County, California in 2000. The Ale... Circuit Rider Productions.

43. Riparian Extent: Russian River Main Stem, Middle Reach, Sonoma County, California in 2000

2000. Circuit Rider Productions. This polyogn shapefile describes the riparian extent of the Alexander Valley reach of the Russian River in 2000. The Middle Reach extent is defined... Circuit Rider Productions.

44. Russian River Watershed Boundary, 1999-2002

1999. Circuit Rider Productions. This polygon shapefile represents the boundary of the Russian River Watershed in California. These data are derived from the California Watershed M... Circuit Rider Productions.

45. Soil Survey: Russian River Basin, California, 1999

1999. Circuit Rider Productions. This polygon shapefile is a digital soil survey and generally is the most detailed level of soil geographic data developed by the National Cooperat...

46. Summary Distribution of Slides and Earth Flows: Russian River Basin, California, 1970-1980

1970. Circuit Rider Productions. This polygon shapefile describes the general distribution and identity of geologic materials in the Russian River watershed region of California, f... Circuit Rider Productions.

47. Summary Distribution of Slides and Earth Flows: Sonoma County, California, 1970-1980

1999. Circuit Rider Productions. This polygon shapefile describes the general distribution and identity of geologic materials in Sonoma County, Calfornia, from 1970 unitl 1980. Alt... Circuit Rider Productions.

48. Urbanized Areas: Russian River Basin, California, 1992

1992. Circuit Rider Productions. This shapefile contains polygons that correspond to the U.S Census Bureau's urbanized area designations in the Russian River Basin in California. T... Circuit Rider Productions.

49. Vegetation Boundaries of the Armstrong Redwoods State Reserve Habitat Assessment, California, 1997-1998

1997. Circuit Rider Productions. This polygon layer is a shapefile rendering of the vegetation polygons that were assessed in the Armstrong Redwoods State Reserve Habitat Assessmen... Circuit Rider Productions.

50. Vernal Pools: Holland's Central Valley, Russian River Basin, California, 1998

1999. Circuit Rider Productions. This polygon shapefile was derived from the U.S. Fish and Wildlife Service and California Department of Fish and Game's Holland's Central Valley Ve... Circuit Rider Productions.