Soil survey information is collected and updated by USDA Natural Resources Conservation Service. If you need assistance for Rock County soils information, please call 608-754-6617 ext. 3.

  • Web Soil Survey. Most up-to-date information. Interactive soils data and map, coverage by county for entire U.S. Create maps and reports.
  • Soil survey archive. Links to PDF versions of soil survey books by county.
  • Rock County Soil Survey on-line (PDF of 1974 book, text, general soil map, no photo maps).
  • Rock County Soil Survey on CD (PDF of 1974 book, text and all maps). $10 at office or $12 by mail. Contact Rock County Land Conservation Department, 440 N US Hwy 14, Janesville, WI 53546. 608-754-6617 ext. 3 or [email protected] .