Millsholm Soil Series

About Millsholm

Shallow, well drained soils formed in residuum and colluvium derived from sandstone and shale. Bedrock within 10–20 inches of the surface. Found on moderately steep to very steep coastal hills and mountains.

K-factor values are sourced from the USDA Natural Resources Conservation Service (NRCS) SSURGO database.

California Distribution

Occurs on the steeper hills in Marin and Sonoma counties, often intermixed with Barnabe and Tocaloma soils on the same hillsides. Supports annual grassland and coastal scrub; severely limited for most engineering and agricultural uses.

Counties Where Found