statistical summaries of the data and a comprehensive bibliography 

 are included. 



Bibliographic source: Inquiry to U.S. Geological Survey 



Author: Lambing, J.H. , D.A. Nimick, J.R. Knapton and D.U. Palwski 



Title: Physical, chemical and biological data for detailed study 

 of the Sun River Irrigation Project, Freezout Lake 

 Wildlife Management Area, and Benton Lake National 

 Wildlife Refuge, west-central Montana, 1990-92, with 

 selected data for 1987-89. 



Series: U.S. Geological Survey Open-file report 94-120 



Date: 1994 



This document contains descriptions of the data collection programs 

 initiated in and around Freezout and Benton Lakes in 1990, and 

 tabulations of soil, surface water and ground water, lake sediment 

 and bioassay data. Interpretation of these data is pending. 



The data assembled include a continuous record of specific 

 conductance of the Lake Creek inflow, water quality and bottom 

 sediment analyses from pools #1, 2, 3 and 5, and groundwater 

 analyses and drill-hole descriptions from the vicinity of a saline 

 seep along the west shore, and additional ground water analyses 

 from water-supply wells. 



Big Lake 



Bibliographic source: Geoindex lat-long search 



Author: Ellis, M.S. 



Title: Geologic map of the Powder River basin and surrounding 

 area, Wyoming, Montana, South Dakota, North Dakota and 

 Nebraska 



Series: USGS Miscellaneous Field Studies Map MF-2095 



Date: 1989 



Map scale (1:500,000) not particularly useful. Sampling location 

 is at the extreme western limit of map coverage. The map is a 

 compilation showing regional distribution of bedrock geologic units 



