1. Soil Conservation Service, Agriculture Dept. SCS national engineering handbook: sec. 8, Engineering geology, chap. 3, Samples; chap. 4, Logging test holes; chap. 5, Requirements for geologic investigations and sampling; chap. 6, Preliminary site investigation; chap. 7, Detailed site investigation. Bookmark Corporate/Agency Authors: Social Security Administration and Health, Education and Welfare Dept. Publisher: Social Security Administration Date: [Sept. 1963.] SuDoc number: A 57.6/2:En 3/sec.8/chap.3-7