Publications
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Upper Midwest Environmental Sciences Center Publications
Filter Total Items: 3223
Water resources of the Cannon River watershed, southeastern Minnesota
The 1,462 square miles of land surface in the Cannon River watershed varies considerably from areas of low hills and plains to areas dominated by streams deeply incised into bedrock. Much of the south-central part of the area consists of a till plain that ranges in altitude from 1,100 to 1,200 feet above mean sea level. This plain is bordered by end moraines that form ridges on the east, west, and
Authors
H. W. Anderson, D.F. Farrell, W.L. Broussard, P.E. Felsheim
Low-flow characteristics of Wisconsin streams at sewage-treatment plants
Low-flow characteristics of Wisconsin streams at 415 sewage -treatment plants are presented in this report. The low-flow characteristics presented are the annual minimum 7-day mean flow that occurs on the average of once in 2 years (Q7, 2) and the annual minimum 7 -day mean flow that occurs on the average of once in 10 years (Q7, 10).
The low-flow characteristics at most sewage-treatment plants we
Authors
W. A. Gebert, B. K. Holmstrom
Water resources of the Blue Earth River watershed, south-central Minnesota
The Blue Earth River Watershed in Minnesota includes 3,106 square miles of land surface, which varies from fairly flat to gently rolling. The drainage extends south to include an additional 450 square miles in Iowa. The western, southern, and eastern boundaries are end moraines formed by Pleistocene glaciers. Major streams have eroded channels 40 to 75 feet deep in headwater regions and 150 to 200
Authors
H.W. Anderson, D.F. Farrell, W.L. Broussard
Water resources of the Rum River Watershed, east-central Minnesota
The Rum River, a tributary of the Mississippi River, drains an elongate area of about 1,550 square miles. The source of the Rum River is Mille Lacs Lake. Much of the northern half of the watershed is forested, and there are large areas of swampland. Population is most concentrated in the southern half, where agriculture is the dominant economic activity.
Except for scattered Precambrian igneous ro
Authors
Donald W. Ericson, Gerald F. Lindholm, John O. Helgesen
Reconnaissance of the upper Au Sable River a cold-water river in the north-central part of Michigan's southern peninsula
The Au Sable River is one of Michigan’s most popular trout streams and canoe trails. Its riverside campgrounds are enjoyed by thousands of campers each year, and many cabins and homes have been built on its banks. At present, interests of the different recreationists – fishermen, canoers, campers, and riverside property owners – conflict. The conflict results from the face that the recreational po
Authors
G. E. Hendrickson, C. J. Doonan
Water resources of Wisconsin: Lower Wisconsin River basin
This report describes the physical environment, availability, distribution, movement, quality, and use of water in the upper Wisconsin River basin as an aid in planning and water management. The report presents general information on the basin derived from data obtained from Federal, State, and local agencies, New field data were collected in areas where information was lacking. More detailed stud
Authors
S. M. Hindall, Ronald G. Borman
Water resources of the lower St. Croix river watershed, east-central Minnesota
The lower St. Croix River watershed is an elongate area of about 930 square miles bounded on the east by the St. Croix River.
The St. Croix River forms the Minnesota-Wisconsin boundary along the eastern side of the watershed. Additional drainage to the St. Croix River includes areas of about 2,500 square miles upstream in Minnesota and about 4,340 square miles in Wisconsin. At the southern tip of
Authors
Gerald F. Lindholm, J. O. Helgesen, W.L. Broussard, D.F. Farrell
Water resources of the Crow River watershed, south-central Minnesota
The Crow River watershed, an area of about 2,760 square miles, is covered entirely by glacial deposits. A topographically high, east-west-trending end moraine divides most of the watershed into two drainage areas of approximately equal size. The North Fork Crow River drains a mixture of glacial outwash and till deposits, whereas the South Fork Crow River drains chiefly till deposits. Local relief
Authors
Gerald F. Lindholm, D.F. Farrell, John O. Helgesen
Water resources of the Snake River watershed, east-central Minnesota
Glacial drift overlies sedimentary, igneous, and metamorphic rocks in the Snake River watershed.
The Snake River, which drains an area of about 1,030 square miles, originates in an extensive area of peat bogs in the northern part of the watershed. It flows southward across gently rolling glacial terrain in which the major relief is near the river. Near the southern boundary of the watershed, the S
Authors
Gerald F. Lindholm, J. O. Helgesen, W.L. Broussard, D.W. Ericson
Water resources of Wisconsin--Lake Superior basin
This report describes the physical environment, availability, distribution, movement, quality, and use of water in the upper Wisconsin River basin as an aid in planning and water management. The report presents general information on the basin derived from data obtained from Federal, State, and local agencies, New field data were collected in areas where information was lacking. More detailed stud
Authors
H. L. Young, Earl L. Skinner
Gas-liquid chromatographic determination of 3-trifluoromethyl-4-nitrophenol residues in fish
A procedure for the determination of 3-mftuormethyl-4-nitrophenol (TFM) in fish tissues is described. Homogenized tissues are extracted with hexane-ethyl ether; the extract is cleaned up by partitioning the TFM from the extracting solvent into O.IN NaOB, acidifying the aqueous solution, and partitioning again with hexaneethyl ether. The TFM is methylated with diazomethane and analyzed by gas-liqui
Authors
J. L. Allen, J.B. Sills
Removal and deactivation of antimycin using carbon and chlorine
Abstract has not been submitted
Authors
V. K. Dawson