Opening the shelf…
Book dossier
by M.P. Bordas, D.E. Walling
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Reviews of Environmental Contamination and Toxicology
George W. Ware
Residue Reviews
Francis A. Gunther
Tax policy
United States. General Accounting Office
Procurement
Water resources
Abstracts of recent published material on soil and water conservation
United States. Agricultural Research Service
Watershed projects
United States. Congress. House. Committee on Agriculture. Subcommittee on Conservation and Credit.
Soil conservation
Norman Hudson
Civil engineering
United States. Naval Facilities Engineering Command
