TY  - BOOK
AU  - Dwerryhouse,Arthur Richard
TI  - Geological and topograhical maps, their interpretation and use : : a handbook for the geologist and civil engineer  / 
U1  - 550 DWE 
PY  - 1919///
CY  - London : 
PB  - E. Arnold , 
KW  - Geology
KW  - Maps
KW  - Cartography
KW  - Topographical drawing
ER  -