TY  - BOOK
AU  - Longwell, Chester R.
TI  - Outlines of physical geology
U1  - 551 
PY  - 1957///
CY  - New york
PB  - John willey & sons
KW  -  Weathering and mass wasting
KW  - Subsurface water
KW  - Lakes and swamps
ER  -