TY - BOOK AU - McCaughey,W.J. AU - Fry,William H. TI - The microscopic determination of soil-forming minerals T2 - United States. Bureau of Soils. Bulletin AV - S591 .A12 no. 91 PY - 1913/// CY - Washington PB - Govt. print. off. KW - Soils KW - Analysis N1 - Bibliography: p. 99-100 ER -