Running Fence, Sonoma and Marin Counties, California, 1972-76, A) Sheet 1 [of 8]: Plots of Soil Test Probe Torques, October 14, 1974, B) Sheet 2 [of 9]: Plots of Soil Test Probe Torques, November 17, 1974

Running Fence, Sonoma and Marin Counties, California, 1972-76, A) Sheet 1 [of 8]: Plots of Soil Test Probe Torques, October 14, 1974, B) Sheet 2 [of 9]: Plots of Soil Test Probe Torques, November 17, 1974