Gough, Larry P.; et al.

Understanding our Fragile Environment: Lessons from Geochemical Studies; U. S. Geological Survey Circular 1105

U.S. Geological Survey, 1993. softcover, 11" x 8.5", 34 pages, illustrated. near fine. Item #5568741

from the foreword, "As part of the special interest series, Public Issues in Earth Science, published by the U.S. Geological Survey (USGS), this Circular describes the importance of the earth sciences in the investigation of environmental problems." DZ4.

Price: $35.00