Ray,
C. (2001). Land use change in the Cypress Quadrangle, Illinois: 1807, 1938, and
1993. Master's thesis, Southern Illinois University at Carbondale.Location: Morris Library, 4th Floor, Theses
& Dissertations.Call Number:q. GE 2001 R263l.
Hutchison, Max D. (1987). The Lower Cache River Basin of Southern Illinois. Erigenia, 8, 1-54. [The entire issue is an excerpt of the Nature Conservancy's "Lower Cache River Plan." It discusses history of the area, information about geology, hydrology, climate, soils, sedimentation, pollution, flooding, declining populations of plants and animals, etc. Open Access online from journal website (http://www.ill-inps.org/images/pub/Erigenia_No_08_Jan1987.pdf). Print copy available in Basement, Morris Library.
Natural Resources Conservation Service: Illinois (USDA). Natural Resource Survey of the Cypress Illinois Quadrangle. From the NRCS Illinois site: "The Natural Resources Survey of the Cypress, Illinois, Quadrangle provides a partial inventory of the soil, water, plant, and human resources for a small part of the Cache River Watershed. This resource-rich area located in the southern tip of Illinois served as the project area to test the concept of building a natural resources Geographic Information System (GIS)." The 11 x 17 version is also available.
National Resources Conservation Service, U.S. Department of Agriculture. (2007). Soil survey of Alexander County, Illinois. NRCS Soil Survey Manuscripts. Retrieved from http://www.nrcs.usda.gov/Internet/FSE_MANUSCRIPTS/illinois/IL003/0/Alexander_IL.pdfanuscripts/IL003/0/Alexander_IL.pdf
National Resources Conservation Service, U.S. Department of Agriculture. (2009). Soil survey of Johnson County, Illlinois. NRCS Soil Survey Manuscipts. Retrieved from http://www.nrcs.usda.gov/Internet/FSE_MANUSCRIPTS/illinois/IL087/0/Johnson_IL.pdf
National Resources Conservation Service, U. S. Department of Agriculture. (2009). Soil survey of Massac County, Illinois. NRCS Soil Survey Manuscripts. Retrieved from http://www.nrcs.usda.gov/Internet/FSE_MANUSCRIPTS/illinois/IL127/0/Massac_IL.pdf
National Resources Conservation Service, U.S. Department of Agriculture. (2009). Soil survey of Pulaski County, Illlinois. NRCS Soil Survey Manuscripts. Retrieved from http://www.nrcs.usda.gov/Internet/FSE_MANUSCRIPTS/illinois/IL153/0/Pulaski_IL.pdf
National Resources Conservation Service, U.S. Department of Agriculture. (2005). Soil survey of Union County, Illinois. NRCS Soil Survey Manuscripts. Retrieved from http://www.nrcs.usda.gov/Internet/FSE_MANUSCRIPTS/illinois/IL181/0/Union_IL_CD.pdf
United States. Soil Conservation Service. (1987). Cache River basin: erosion and sedimentation report. Carbondale, Ill. : USDA Soil Conservation Service, 1987. Location: Morris Library, 4th Floor, Map Library. Call Number: QE571.U5 C3 1987x