The following US Soil Service maps are available free to the first bidder: University Lake watershed, Orange county, NC. Erosion and land-use conditions. 1:15,840 7 sheets . 1937? Spartanburg municipal reservoir watershed, Greenville county, SC, . Erosion and land-use conditions. 1:15,840 16 sheets . 1937? Brendan Whyte National Library of Australia