Water resources data, Montana, water year 1985; Volume 1. Hudson Bay Basin, Missouri River Basin

The Water Resources Division of the U.S. Geological Survey, in cooperation with State and other Federal agencies, obtain a large amount of data pertaining to the water resources of Montana each water year. These data, accumulated during many water years, constitute a valuable data base for developing an improved under-standing of the water resources of the State. To make these data readily available to interested parties outside the Geological Survey, the data are published annually in this report series entitled, "Water Resources Data, Montana."