File Natural Resources In: Philip A. Hart papers, 1949-1976 (majority within 1959-1976) » Subject files, 1959-1976 » 1971
File Fuels Box 198 In: Philip A. Hart papers, 1949-1976 (majority within 1959-1976) » Subject files, 1959-1976 » 1971 » Natural Resources
File Lake Huron Erosion Box 198 In: Philip A. Hart papers, 1949-1976 (majority within 1959-1976) » Subject files, 1959-1976 » 1971 » Natural Resources
File Lake Lansing Box 198 In: Philip A. Hart papers, 1949-1976 (majority within 1959-1976) » Subject files, 1959-1976 » 1971 » Natural Resources
File Lake Levels (Erosion) Box 198 In: Philip A. Hart papers, 1949-1976 (majority within 1959-1976) » Subject files, 1959-1976 » 1971 » Natural Resources
File Lamprey EEL Box 198 In: Philip A. Hart papers, 1949-1976 (majority within 1959-1976) » Subject files, 1959-1976 » 1971 » Natural Resources
File Minerals Box 198 In: Philip A. Hart papers, 1949-1976 (majority within 1959-1976) » Subject files, 1959-1976 » 1971 » Natural Resources
File Pigeon River State Forest Box 198 In: Philip A. Hart papers, 1949-1976 (majority within 1959-1976) » Subject files, 1959-1976 » 1971 » Natural Resources
File SBD #1 Box 198 In: Philip A. Hart papers, 1949-1976 (majority within 1959-1976) » Subject files, 1959-1976 » 1971 » Natural Resources
File SBD #2 Box 198 In: Philip A. Hart papers, 1949-1976 (majority within 1959-1976) » Subject files, 1959-1976 » 1971 » Natural Resources