U.S. Soil Conservation Service, Lincoln, NE No description specified. 1-2 (2 Records) Documents Appraisal of Cultural Resources Within Select Areas of the Swan Creek Watershed, Saline and Jefferson Counties, Nebraska (1981) Cultural Resources Assessment of Native American Site 25OT56 For the Viola Cook Conservation Plan, Section 35, T8N, R14E, Near Nebraska City, Otoe County, Nebraska (1990)