The Online Books Page

Books by William Mathis Koos:

Books in the extended shelves:

• Koos, William Mathis, 1926-: Soil survey, Crosby County, Texas (U. S. Dept. of Agriculture, Soil Conservation Service, 1966), also by Wayburn Dale Mitchell, Lee A. Putnam, and Texas Agricultural Experiment Station (page images at HathiTrust)
• Koos, William Mathis, 1926-: Soil survey, Foard County, Texas (U. S. Dept. of Agriculture, Soil Conservation Service in cooperation with Texas Agricultural Experiment Station, 1964), also by Marvin Leroy Dixon, Texas Agricultural Experiment Station, and United States. Soil Conservation Service (page images at HathiTrust)
• Koos, William Mathis, 1926-: Soil survey, Hale County, Texas (The Service : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1974), also by Earl Ray Blakley, Texas Agricultural Experiment Station, and United States. Soil Conservation Service (page images at HathiTrust)
• Koos, William Mathis, 1926-: Soil survey, Wilbarger County, Texas (U. S. Dept. of Agriculture, Soil Conservation Service in cooperation with Texas Agricultural Experiment Station, 1962), also by Marvin Leroy Dixon, Jack C. Williams, United States. Soil Conservation Service, and Texas Agricultural Experiment Station (page images at HathiTrust)

Find more by William Mathis Koos at your library, or elsewhere.