Mariposa County, CA Home of Yosemite

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What You Can Do
Help the Cause
  • Protect cut-and-fill slopes with stabilizing material such as vegetation, fiber cloth, straw, wood chips, riprap (large rocks), gabions (wire baskets filled with rocks) or retaining walls.
  • Install culverts according to local, regional and California State Code standards.
  • Maintain vegetative ground cover in riparian areas.
  • Divert water away from driveways and pathways to prevent gully erosion. Water bars may be used where appropriate.
  • Minimize soil surface disturbance. Maintain vegetative cover using native plants whenever possible.
  • Do not remove naturally fallen pine needles and leaves from the ground surface, if possible.
  • Clean and/or remove undesirable or human-caused debris from riparian areas.
  • Avoid mechanical or machinery use on slopes greater than 30% whenever possible.

Most important, revegetate all bare or disturbed soil with grass seed or native plants, wood chips and straw mulch (be sure straw is certified weed-free to prevent the introduction of noxious weeds). The optimum time to do this is between October 15 and November 15. There are over 20,000 soils mapped in the U.S., each one unique like snowflakes. You can search for your soil by address and no
longer guess about its specific properties for septic, construction, grazing and farming. View the Web Soil Survey for more information.

If you do not have Internet access, please visit the Natural Resources Conservation Service at 5009 Fairgrounds Rd. in Mariposa or call for an appointment, (209) 966-3431. Find information on soil erosion, grazing and the water cycle, and management for social, financial, and ecological benefit at Managing Wholes.

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PO Box 784 | 5100 Bullion St. | Mariposa, CA 95338