Proceedings.
Subtitle: Presented by Dept. of Mining and Geological Engineering, College of Mines, University of Arizona, in cooperation with Thorne Ecological Foundation [et al.] W.C. Peters, editor.
Contributors: Peters, William C.; University of Arizona. Dept. of Mining and Geological Engineering.
Publisher: College of Mines, University of Arizona
Published: 1970
Place of publication: [Tucson, Ariz.]
Language: eng
Number of pages: 22976
Subjects: Arid regions ecology -- Congresses; Arid regions -- Research -- Arizona -- Congresses; Mines and mineral resources -- Arizona -- Congresses