TY  - BOOK
T1  - An introduction to MAPGEN
DA  - 1992]
CY  - [Reston, VA] :
CY  - [Denver, Colo. :
AU  - Grim, Muriel S.
VL  - 92-4
CN  - I 19.76:
PB  - U.S. Dept. of the Interior, U.S. Geological Survey ;
PB  - Books and Open-File Reports Section, distributor,
PP  - [Reston, VA] :
PP  - [Denver, Colo. :
PY  - 1992]
N1  - Distributed to depository libraries in microfiche.
N1  - Shipping list no.: 92-2481-M.
N1  - "January 6, 1992"
ID  - 241508
KW  - Geological mapping
KW  - Geology
TI  - An introduction to MAPGEN
ER  -