TY  - BOOK
AU  - Doe,Bruce R.
ED  - United States.
ED  - United States
ED  - U. S. Geological Survey Workshop on Environmental Geochemistry
ED  - United States
TI  - Proceedings of a U. S. Geological Survey Workshop on Environmental Geochemistry / 
U1  - 551.9 20th ed.
PY  - 1990///].
CY  - Washington: 
PB  - [United States Government Printing Office], 
KW  - Environmental geochemistry
KW  - Congresses
KW  - United States
N1  - Includes bibliographical references (p. 6, 9, 18-19, 22-23, 31-32, 36, 38, 43-44, 46, 48-49, 55, 60, 62, 67-68, 72, 77, 82, 84-85, 96, 100-101, 104, 118, 124, 130-131, 137, 144, 148, 154, 158, 160, 162, 164, 168, 170, 173, 176, 178, 181, 183-194)
ER  -