@book{ Solr-6369759, title = {Soil map, Pennsylvania, Bradford County sheet}, editor = {United States. Bureau of Soils}, editor = {Wood, Percy O.}, editor = {McKee, J. M.}, editor = {Skemp, L. M.}, editor = {Pennsylvania State College. Agricultural Experiment Station}, address = {Washington, D.C.}, publisher = {U.S. Dept. of Agriculture, Bureau of Soils, Julius Bien & Co.)}, year = {1911}, note = {Shows distribution of soil types by colors and symbols.}, note = {Shows railroads and towns.}, }