TY - BOOK AU - Heran, William D. CN - I 19.76: CY - [Denver, CO? : DA - 1994. ID - 196723 KW - Prospecting KW - Mines and mineral resources N1 - Distributed to depository libraries in microfiche. N1 - Shipping list no.: 94-0790-M. PB - U.S. Geological Survey : PB - Books and Open-File Reports Section, distributor], PP - [Denver, CO? : PY - 1994. T1 - Codicil to the geophysical expression of selected mineral deposit models TI - Codicil to the geophysical expression of selected mineral deposit models VL - 94-174 ER -