TY - BOOK ED - United States TI - Earth manual: a guide to the use of soils as foundations and as construction materials for hydraulic structures PY - 1974/// CY - Denver, Washington:bfor sale by supt. of Docs., U. S. Govt. Print off. PB - U. S. Dept of the Interior, Bureau of Reclamation KW - Eartwork KW - Soil mechanics N1 - Includes bibliographical references ER -