Call Number (LC) Title Results
A 57.68:N 19/992/PACK/crop change Percent change in cropland area, 1982-1992. 1
A 57.68:N 19/992/PACK/crop/GA Cropland in Georgia. 1
A 57.68:N 19/992/PACK/crop/NE&WY Cropland area, by 4-digit hydrologic unit. 1
A 57.68:N 19/992/PACK/irrig Percent of cropland area in irrigation, 1992. 1
A 57.68:N 19/992/PACK/NRI NRI polygon database used for mapping. 1
A 57.68:N 19/992/PACK/palus Palustrine wetlands in Georgia. 1
A 57.68:N 19/992/PACK/soil erosion Average annual soil erosion by wind and water on cultivated cropland, 1992. 1
A 57.68:N 19/992/PACK/soil erosion change Change in average annual soil erosion by wind and water on cultivated cropland, 1982-1992. 1
A 57.68:N 19/992/PACK/soil loss Tons of soil loss, 1992. 1
A 57.68:Os 9  
A 57.68:P 28 Pawcatuck Watershed. 1
A 57.68:P 69 Major land resource areas of the southern Great Plains (I,J, part of G, part of H) / 1
A 57.68:P 69/2 Major land resource areas of the northern Great Plains (F, G--north of CO & WY line, H--north of KS & NE line) / 1
A 57.68:P 91 Mean annual precipitation (1961 - 1990 normal) / 1
A 57.68:R 31/LARGE Resource conservation and development areas : [United States] / 1
A 57.68:R 31/SMALL Resource conservation and development areas : [United States] / 1
A 57.68:R 44/ Streambank erosion study inventory, Rifle River / 1
A 57.68:R 44/INDEX Streambank erosion study inventory, Rifle River / 1
A 57.68:R 44/SH.1-17 B Streambank erosion study inventory, Rifle River / 1
A 57.68:R 44/STUDY Streambank erosion study inventory, Rifle River / 1