TY  - BOOK
AU  - DOWNEY, JOE S.
TI  - GEOHYDROLOGY OF BEDROCK AQUIFERS IN THE NORTHERN GREAT PLAINS IN PARTS OF MONTANA, NORTH DAKOTA..
PY  - 1986///
CY  - WASHINGTON: USDI
KW  - GROUNDWATER FLOW-GREAT PLAINS-MATHEMATICAL
KW  - AQUIFERS-GREAT PLAINS
KW  - GROUNDWATER FLOW-GREAT PLAINS-DATA PROCESSI
ER  -