File Water Pollution In: Philip A. Hart papers, 1949-1976 (majority within 1959-1976) » Subject files, 1959-1976 » 1970 » Pollution
File January-February 1970 Box 191 In: Philip A. Hart papers, 1949-1976 (majority within 1959-1976) » Subject files, 1959-1976 » 1970 » Pollution » Water Pollution
File March 1970 Box 191 In: Philip A. Hart papers, 1949-1976 (majority within 1959-1976) » Subject files, 1959-1976 » 1970 » Pollution » Water Pollution
File April-May 1970 Box 191 In: Philip A. Hart papers, 1949-1976 (majority within 1959-1976) » Subject files, 1959-1976 » 1970 » Pollution » Water Pollution
File June-August 1970 Box 191 In: Philip A. Hart papers, 1949-1976 (majority within 1959-1976) » Subject files, 1959-1976 » 1970 » Pollution » Water Pollution
File September-November 1970 Box 191 In: Philip A. Hart papers, 1949-1976 (majority within 1959-1976) » Subject files, 1959-1976 » 1970 » Pollution » Water Pollution
File Detergents, phosphates Box 191 In: Philip A. Hart papers, 1949-1976 (majority within 1959-1976) » Subject files, 1959-1976 » 1970 » Pollution » Water Pollution
File Mercury Box 191 In: Philip A. Hart papers, 1949-1976 (majority within 1959-1976) » Subject files, 1959-1976 » 1970 » Pollution » Water Pollution
File Oil Box 191 In: Philip A. Hart papers, 1949-1976 (majority within 1959-1976) » Subject files, 1959-1976 » 1970 » Pollution » Water Pollution
File Power In: Philip A. Hart papers, 1949-1976 (majority within 1959-1976) » Subject files, 1959-1976 » 1970