TY  - COMP
T1  - DLGGSMa program to load data from 1:24,000-scale and 1:100,000-scale topographic maps stored in the Digital Line Graph-3 (optional) format into a GSMAP data base /
DA  - 1990]
CY  - Denver, Colo. :
AU  - Selner, G. I.
AU  - Green, Gregory N.
VL  - 90-459A, 90-459B
CN  - I 19.76:
PB  - U.S. Geological Survey ;
PB  - [Books and Open-File Reports Section, distributor,
PP  - Denver, Colo. :
PY  - 1990]
N1  - Distributed to some depository libraries in microfiche.
N1  - Cover title.
N1  - Distribution information from transmittal sheet.
N1  - "July 1990"
ID  - 240987
KW  - Digital mapping
KW  - Digital mapping
KW  - Digital mapping
TI  - DLGGSMa program to load data from 1:24,000-scale and 1:100,000-scale topographic maps stored in the Digital Line Graph-3 (optional) format into a GSMAP data base /
ER  -