00850cam a2200277 4500 3134944 20260429082431.0 700625s1970 nyu b 000 0 eng 72095636 0824204093 9780824204099 3134944 DLC IRDP DLC HC110.E5 M392 1970 304.28 McClellan, Grant S., comp. Protecting our environment. Edited by Grant S. McClellan. New York, Wilson, 1970. 218 p. 20 cm. The Reference shelf, v. 42, no. 1 Bibliography: p. 211-218. Environmental policy United States. 7 cbc orignew u ncip 19 y-gencatlg ddc BOOKS 9402 9402