TY  - BOOK
AU  - Coates, Donald R. (Ed.)
AU  - Coates, Donald R. (Ed.)
TI  - Enviromental geomorphology and landscape conservation : Vol.1... prior to 1900
U1  - U21 
PY  - 1972///
CY  - Pennsylvania
PB  - Dowden Hutchinson & Ross
KW  - U21
ER  -