TY  - GEN
AU  - Mack, Frederick K.
CN  - I 19.76:
CY  - Towson, Md. :
CY  - Denver, Colo. :
DA  - 1992]
ID  - 198862
KW  - Groundwater
KW  - Aquifers
N1  - Distributed to depository libraries in microfiche.
N1  - Shipping list no.: 93-1121-M.
PB  - The Survey ;
PB  - Books and Open-File Reports [Section, distributor,
PP  - Towson, Md. :
PP  - Denver, Colo. :
PY  - 1992]
T1  - The difference between the potentiometric surfaces of the Magothy Aquifer of September 1975 and September 1990 in southern Maryland
TI  - The difference between the potentiometric surfaces of the Magothy Aquifer of September 1975 and September 1990 in southern Maryland
VL  - 92-464
ER  -