TY  - GEN
AU  - Howard, Keith A.
AU  - John, Barbara E.
AU  - Nielson, Jane E.
CN  - I 19.76:
CY  - [Reston, Va.?] :
DA  - 1997.
ID  - 216008
KW  - Geology
KW  - Geology
N1  - Blue line print.
N1  - Relief shown by contours and spot heights.
N1  - Includes 1 cross section and 1 location diagram.
PB  - The Survey,
PP  - [Reston, Va.?] :
PY  - 1997.
T1  - Preliminary geologic map of the eastern and northern parts of the Topock 7.5-minute quadrangle, Arizona and California /
TI  - Preliminary geologic map of the eastern and northern parts of the Topock 7.5-minute quadrangle, Arizona and California /
VL  - 95-534
ER  -