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mel d powell
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Digest of selected local solid waste management ordinances
Mel D. Powell · U.S. Environmental Protection Agency; for sale by the Supt. of Docs., U.S. Govt. Print. Off.
376 sayfa · 1972
Law and legislation / Refuse and refuse disposal
Community action guidebook for soil erosion and sediment control
Mel D. Powell · National Association of Counties Research Foundation
64 sayfa · 1970
Soil conservation / Soil erosion
Community action for the support of economic development districts
Mel D. Powell · National Association of Counties Research Foundation
139 sayfa · 1970
Economic policy / Economic development