REGIONAL SUMMARY
Anderson, H.W., Jr., 1986, Hydrogeologic and water-quality
characteristics of crystalline-rock aquifers of Archean and Proterozoic
age, Minnesota: U.S. Geological Survey Water-Resources Investigation
Report 86-4033,
3 sheets.
Buchmiller, Robert, Gaillot, Gary, and Soenksen, P.J., 1985, Water resources of north-central Iowa: Iowa Geological Survey Water Atlas 7, 93 p.
Cummings, T.R., 1980, Chemical and physical characteristics of natural ground water in Michigan-A preliminary report: U.S. Geological Survey Open-File Report 80-953, 34 p.
Delin, G.N., and Woodward, D.G., 1984, Hydrogeologic setting and the potentiometric surfaces of regional aquifers in the Hollandale embayment, southeastern Minnesota, 1970-80: U.S. Geological Survey Water-Supply Paper 2219, 56 p.
Ellefson, B.R., Rury, K.S., and Krohelski, J.T., 1987, Water use in Wisconsin, 1985: U.S. Geological Survey Open-File Report 87-699, 1 sheet.
Flint, R.F., and others, 1959, Glacial map of the United States east of the Rocky Mountains: Geological Society of Am-erica, 2 sheets.
Gebert, W.H., Graczyk, D.J., and Krug, W.R., 1987, Average annual runoff in the United States, 1951-80: U.S. Geological Survey Hydrologic Investigations Atlas 710, scale 1:750,000, 1 sheet.
Hadley, D.W., and Pelham, J.H., 1976, Glacial deposits of Wis-consin:
Wisconsin Geological and Natural History Survey and Wisconsin
State Planning Office, Land Resources Analysis Program Map 10,
scale 1:500,000,
1 sheet.
Hershey, H.G., 1969, Geologic map of Iowa: Iowa Geological
Survey, scale 1:500,000, 1 sheet.
Horick, P.J., and Steinhilber, W.L., 1973, Mississippian aquifer
of Iowa: Iowa Geological Survey Miscellaneous Map Series 3, 3
sheets.
______1978, Jordan aquifer of Iowa: Iowa Geological Survey
Miscellaneous Map Series 6, 3 sheets.
Horick, P.J., 1984, Silurian-Devonian aquifer of Iowa: Iowa
Geological Survey Miscellaneous Map Series 10,
4 sheets.
Horn, M.A., 1983, Ground-water-use trends in the Twin Cities metropolitan area, Minnesota, 1880-1980: U.S. Geological Survey Water-Resources Investigations Report 83-4033, 37 p.
Kammerer, P.A., Jr., 1981, Ground-water-quality atlas of Wisconsin: Wisconsin Geological and Natural History Survey Information Circular 39, 39 p.
______1983, An overview of ground-water quality in Wisconsin: U.S. Geological Survey Water-Resources Investigations Report 83-4239, 58 p.
Kanivetsky, Roman, 1978, Hydrogeologic map of Minnesota, bedrock hydrogeology: Minnesota Geological Survey State Map Series S-2, scale 1:500,000, 1 sheet.
Kanivetsky, Roman, and Walton, Matt, 1979, Hydrogeologic map of Minnesota, bedrock hydrogeology-A discussion to accompany State Map Series S-2: Minnesota Geological Survey, 11 p.
King, P.B., and Beikman, H.M., compilers, 1974, Geologic map of the United States: U.S. Geological Survey Map, scale 1:2,500,000, 3 sheets.
Knowles, D.B., 1964, Ground-water conditions in the Green Bay area, Wisconsin, 1950-60: U.S. Geological Survey Water-Supply Paper 1669-J, p. J1-J37.
Mandle, R.J., and Kontis, A.L., in press, Simulation of regional ground-water flow in the Cambrian-Ordovician aquifer system in the northern midwest United States: U.S. Geological Survey Professional Paper 1405-C.
Morey, G.B., Sims, P.K., Cannon, W.F., Mudrey, M.G., Jr.,and Southwick, D.L., 1982, Geological map of the Lake Superior region, Minnesota, Wisconsin, and northern Michigan: Minnesota Geological Survey Map S-13, scale 1:1,000,000, 1 sheet.
Ostrom, M.E., 1970, Sedimentation cycles in Lower Pale-ozoic rocks of western Wisconsin, in Field Trip Guidebook for Cambrian-Ordovician Geology of Western Wisconsin, Geological Society of America 83d Annual Meeting, Milwaukee, Wis., 1970: Wisconsin Geological and Natural History Survey Information Circular 11, p. 10-34.
Siegel, D.I., 1989, Geochemistry of the Cambrian-Ordovician aquifer system in the northern midwest United States: U.S. Geological Survey Professional Paper 1405-D, 77 p.
Sun, R.J., 1986, Regional Aquifer-System Analysis Program of the U.S. Geological Survey-Summary of projects, 1978-84: U.S. Geological Survey Circular 1002, 264 p.
U.S. Geological Survey, 1985, National Water Summary, 1984-Hydrologic events, selected water-quality trends, and ground-water resources: U.S. Geological Survey Water-Supply Paper 2275, 462 p.
______1986, National Water Summary, 1985-Hydrologic events and surface-water resources: U.S. Geological Survey Water-Supply Paper 2300, 506 p.
______1988, National Water Summary, 1986-Hydrologic events and ground-water quality: U.S. Geological Survey Water-Supply Paper 2325, 560 p.
______1990, National Water Summary, 1987-Hydrologic events and water supply and use: U.S. Geological Survey Water-Supply Paper 2350, 553 p.
Vanlier, K.E., Wood, W.W., and Brunett, J.O., 1969, Water-supply development and management alternatives for Clinton, Eaton, and Ingham Counties, Michigan: U.S. Geological Survey Water-Supply Paper 1969, 111 p.
Western Michigan University, 1981, Hydrogeologic atlas of Michigan-Hydrogeology for underground injection control in Michigan: Kalamazoo, 35 pls.
Willman, H.B., and Frye, J.C., 1970, Pleistocene stratigraphy of Illinois: Illinois State Geological Survey Bulletin 94, 204 p.
Young, H.L., in press, Hydrogeology of the Cambrian-Ordovician aquifer system in the northern midwest United States: U.S. Geological Survey Professional Paper 1405-B.
SURFICIAL AQUIFER SYSTEM
Anderson, H.W., Jr., Farrell, D.F., and Broussard, W.L., 1974,
Water resources of the Lower Minnesota River watershed, south-central
Minnesota: U.S. Geological Survey Hydrologic Investigations Atlas
HA-526, 3 sheets.
Cotter, R.D., Hutchinson, R.D., Skinner, E.L., and Wentz, D.A., 1969, Water resources of Wisconsin, Rock-Fox River basin: U.S. Geological Survey Hydrologic Investigations Atlas HA-360, 4 sheets.
Devaul, R.W., 1975a, Dissolved-solids concentrations of water in the sand-and-gravel aquifer, Wisconsin: Wisconsin Geological and Natural History Survey Map, scale 1:1,000,000, 1 sheet.
______1975b, Probable yields of wells in the Niagara aquifer, Wisconsin: Wisconsin Geological and Natural History Survey Map, scale 1:500,000, 1 sheet.
Ellefson, B.R., Rury, K.S., and Krohelski, J.T., 1987. Water use in Wisconsin, 1985: U.S. Geological Survey Open-File Report 87-699, 1 sheet.
Flint, R.F., 1972, Glacial and Quaternary geology: New York, John Wiley, 892 p.
Hadley, D.W., and Pelham, J.H., 1976, Glacial deposits of Wisconsin: Wisconsin Geological and Natural History Survey and Wisconsin State Planning Office, Land Resources Analysis Program Map 10, scale 1:5,000,000, 1 sheet.
Kanivetsky, Roman, 1978, Hydrogeologic map of Minnesota, bedrock hydrogeology: Minnesota Geological Survey State Map Series S-2, scale 1:500,000, 1 sheet.
Kanivetsky, Roman, and Walton, Matt, 1979, Hydrogeologic map of Minnesota, bedrock hydrogeology-A discussion to accompany State Map Series S-2: Minnesota Geological Survey, 11 p.
Olcott, P.G., 1968, Water resources of Wisconsin, Fox-Wolf River basin: U.S. Geological Survey Hydrologic Investigations Atlas HA-321, 4 sheets.
Ruhl, J.F., 1986, Hydrogeologic and water-quality characteristics of the Red River-Winnipeg aquifer, northwestern Minnesota: U.S. Geological Survey Water-Resources In-vestigations Report 84-4111, 2 sheets.
______1987, Hydrogeologic and water-quality characteristics of the glacial drift aquifer in Minnesota: U.S. Geological Survey Water-Resources Investigations Report 87-4224, 3 sheets.
Solley, W.B., Merk, C.F., and Pierce, R.R., 1988, Estimated use of water in the United States in 1985: U.S. Geological Survey Circular 1004, 82 p.
Twenter, F.R., and Coble, R.W., 1965, The water story in central Iowa: Iowa Geological Survey Water Atlas 1, 89 p.
Vanlier, K.E., 1963a, Reconnaissance of the ground-water resources of Alger County, Michigan: Michigan Department of Conservation, Geological Survey Division Water Investigations 1, 55 p.
______1963b, Ground-water in Menominee County: Michigan Department of Conservation, Geological Survey Division Water Investigations 2, 42 p.
______1966, Ground-water resources of the Battle Creek area, Michigan: Michigan Department of Conservation, Geological Survey Division Water Investigations 4, 52 p.
Western Michigan University, 1981, Hydrogeologic atlas of Michigan-Hydrogeology for underground injection control in Michigan: Kalamazoo, 35 pls.
Willman, H.B., and others, 1967, Geologic map of Illinois:
Illinois State Geological Survey Map, scale 1:500,000,
1 sheet.
Willman, H.B., and Frye, J.C., 1970, Pleistocene stratigraphy of Illinois: Illinois State Geological Survey Bulletin 94, 204 p.
CRETACEOUS AQUIFER
Anderson, H.W., Jr., Broussard, W.L., Farrell, D.F., and Felsheim,
P.E., 1976, Water resources of the Rock River watershed, southwestern
Minnesota: U.S. Geological Survey Hydrologic Investigations Atlas
HA-555, 3 pls.
Anderson, H.W., Jr., Broussard, W.L., Farrell, D.F., and Hult, M.F., 1976, Water resources of the Des Moines River watershed, southwestern Minnesota: U.S. Geological Survey Hydrologic Investigations Atlas HA-553, 3 pls.
Anderson, H.W., Jr., and Ruhl, J.F., 1984, Geohydrology and hydrochemistry of aquifers in Cretaceous rocks, Minnesota, in Jorgensen, D.G., and Signor D.C., eds., Geohydrology of the Dakota aquifer-Proceedings of First C.V. Theis Conference on Geohydrology: National Water Well Association, p. 27-37.
Austin, G.S., 1972, Cretaceous rocks, in Sims, P.K., and Morey, G.B., eds., Geology of Minnesota-A centennial volume: Minnesota Geological Survey, p. 509-512.
Burkart, M.R., 1984, Availability and quality of water from the Dakota aquifer, northwest Iowa: U.S. Geological Survey Water-Supply Paper 2215, 65 p.
Hansen, R.E., 1978, Bedrock topography of north-central Iowa: U.S. Geological Survey Miscellaneous Investigations Series Map I-1080, scale 1:125,000, 2 sheets.
Munter, J.A., Ludvigson, G.A., and Bunker, B.J., 1983, Hy-drogeology and stratigraphy of the Dakota Formation in northeast Iowa: Iowa Geological Survey Water Supply Bulletin 13, 55 p.
Norvitch, R.F., 1964, Geology and ground-water resources of Nobles County and parts of Jackson County, Minnesota: U.S. Geological Survey Water-Supply Paper 1749, 70 p.
Thorstenson, D.C., Fisher, D.W., and Croft, M.G., 1979, The
geochemistry of the Fox Hills-Basal Hell Creek aqui-
fer in southwestern North Dakota and northwestern South Dakota:
Water Resources Research, v. 15, no. 6,
p. 1,479-1,498.
Wahl, K.D., Meyer, M.J., and Karsten, R.A., 1981, Hydrology of the surficial aquifer in the Floyd River basin, Iowa: Iowa Geological Survey Water Supply Bulletin 12,123 p.
Woodward, D.G., and Anderson, H.W., Jr., 1986, Hydrogeologic
and water-quality characteristics of the
Cretaceous aquifer, southwestern Minnesota: U.S. Geological Survey
Water-Resources Investigations Report 84-4153, 2 sheets.
PENNSYLVANIAN AQUIFER
Cummings, T.R., 1980, Chemical and physical characteristics of
natural ground water in Michigan-A preliminary re-port: U.S. Geological
Survey Open-File Report 80-953, 34 p.
Hershey, H.G., 1969, Geologic map of Iowa: Iowa Geological Survey, scale 1:500,000, 1 sheet.
Huffman, G.C., 1979a, Ground-water data for Michigan, 1977: U.S. Geological Survey Open-File Report 79-332, 75 p.
______1979b, Ground-water data for Michigan, 1978: U.S. Geological Survey Open-File Report 80-002, 61 p.
Vanlier, K.E., 1964, Ground water in the Tri-county region, Michigan: Lansing, Tri-County Regional Planning Commission, 19 p.
Vanlier, K.E., and Wheeler, M.L., 1968, Ground-water potential of the Saginaw Formation in the Lansing metropolitan area, Michigan: Lansing, Tri-County Regional Plan-ning Commission, 42 p.
Vanlier, K.E., Wood, W.W., and Brunett, J.O., 1969, Water-supply development and management alternatives for Clinton, Eaton, and Ingham Counties, Michigan: U.S. Geological Survey Water-Supply Paper 1969, 111 p.
Western Michigan University, 1981, Hydrogeologic atlas of Michigan-Hydrogeology for underground injection control in Michigan: Kalamazoo, 35 pls.
MISSISSIPPIAN AQUIFER
Coble, R.W., 1970, The chemical quality of Iowa's water resources,
in Water resources of Iowa: Iowa Academy of Science, p. 50-67.
______1971, Water resources in southeastern Iowa: Iowa Geological Survey Water Atlas 4, 101 p.
Cummings, T.R., 1980, Chemical and physical characteristics of natural ground water in Michigan-A preliminary re-port: U.S. Geological Survey Open-File Report 80-953, 34 p.
Horick, P.J., and Steinhilber, W.L., 1973, Mississippian aquifer of Iowa: Iowa Geological Survey Miscellaneous Map Series 3, 3 sheets.
Steinhilber, W.L., and Horick, P.J., 1970, Ground-water resources of Iowa, in Horick, P.J., ed., Water resources of Iowa: Iowa Academy of Science, p. 29-49.
Twenter, F.R., and Coble, R.W., 1965, The water story in central
Iowa: Iowa Geological Survey Water Atlas No. 1,
89 p.
Western Michigan University, 1981, Hydrogeologic atlas of Michigan-Hydrogeology for underground injection control in Michigan: Kalamazoo, 35 pls.
SILURIAN-DEVONIAN AQUIFER
Buchmiller, R.C., and Karsten, R.A., 1983, Estimated water use
in Iowa, 1980: Iowa Geological Survey Miscellaneous Map Series
9, 1 sheet.
Cummings, T.R., 1980, Chemical and physical characteristics of natural ground water in Michigan-A preliminary re-port: U.S. Geological Survey Open-File Report 80-953, 34 p.
Cummings, T.R., Twenter, F.R., and Holtschlog, D.J., 1984, Hydrology and land use in Van Buren County, Michigan: U.S. Geological Survey Water-Resources Investigations Report 84-4112, 124 p.
Delin, G.N., and Woodward, D.G., 1984, Hydrogeologic setting and the potentiometric surfaces of regional aquifers in the Hollandale Embayment, southeastern Minnesota, 1970-80: U.S. Geological Survey Water-Supply Paper 2219, 56 p.
Devaul, R.W., 1975, Probable yields of wells in the Niagara aquifer, Wisconsin: Wisconsin Geological and Natural History Survey Map, scale 1:500,000, 1 sheet.
Hallberg, G.R., and Hoyer, B.E., 1982, Sinkholes, hydro- geology, and ground-water quality in northeast Iowa: Iowa Geological Survey Contract Report 6-31-82,120 p.
Horick, P.J., 1984, Silurian-Devonian aquifer of Iowa:
Iowa Geological Survey Miscellaneous Map Series 10,
4 sheets.
Horick, P.J., and Steinhilber, W.L., 1978, Jordan aquifer of Iowa: Iowa Geological Survey Miscellaneous Map Series 6, 3 sheets.
Morey, G.B., Sims, P.K., Cannon, W.F., Mudrey, M.G., Jr., and
Southwick, D.L., 1982, Geological Map of the Lake
Superior region, Minnesota, Wisconsin, and northern Michigan:
Minnesota Geological Survey Map S-13, scale 1:1,000,000, 1
sheet.
Mudrey, M.G., Jr., Brown, B.A., and Greenberg, J.K., 1982, Bedrock geologic map of Wisconsin: Wisconsin Geo-logical and Natural History Survey Map, scale 1:1,000,000, 1 sheet.
Office of Water Research and Technology, U.S. Department of Interior, 1978, Water research capsule report, water well location by fracture trace mapping, 12 p.
Ostrom, M.E., 1967, Paleozoic stratigraphic nomenclature for Wisconsin: Wisconsin Geological and Natural History Survey Information Circular No. 8, 1 sheet.
Prior, J.C., 1975, Karst topography along the Silurian escarpment in southern Clayton County, Iowa: Geological Society of Iowa Guidebook, Annual Field Conference, 13 p.
Sherrill, M.G., 1979, Contamination potential in the Silurian Dolomite aquifer, eastern Wisconsin: U.S. Geological Survey Water-Resources Investigations Report 78-108, 1 sheet.
Skinner, E.L., and Borman, R.G., 1973, Water resources of Wisconsin-Lake Michigan basin: U.S. Geological Survey Hydrologic Investigations Atlas HA-432, 4 sheets.
Steinhilber, W.L., and Horick, P.J., 1970, Ground-water resources of Iowa, in Horick, P.J., ed., Water resources of Iowa: Iowa Academy of Science, p. 29-49.
Wahl, K.D., Ludvigson, G.A., Ryan, G.L., and Steinkampf, W.C., 1978, Water resources of east-central Iowa: Iowa Geological Survey Water Atlas 6, 91 p.
Western Michigan University, 1981, Hydrogeologic atlas of Michigan-Hydrogeology for underground injection control in Michigan: Kalamazoo, 35 pls.
UPPER CARBONATE AQUIFER
Delin, G.N., and Woodward, D.G., 1984, Hydrogeologic setting and
the potentiometric surfaces of regional aquifers in the Hollandale
embayment, southeastern Minnesota, 1970-80: U.S. Geological
Survey Water-Supply Paper 2219, 56 p.
Ruhl, J.F., and Wolf, R.J., 1984, Hydrogeologic and water-quality characteristics of the upper carbonate aquifer, southeast Minnesota: U.S. Geological Survey WaterResources Investigations Report 84-4150, 2 sheets.
CAMBRIAN-ORDOVICIAN AQUIFER SYSTEM
Adolphson, D.G., Ruhl, J.F., and Wolf, R.J., 1981, Designation
of principal aquifers of Minnesota for the Underground Injection
Control Program: U.S. Geological Survey Water-Resources Investigations
Report 81-51, 29 p.
Anderson, H.W., Jr., Farrell, D.F., and Broussard, W.L., 1974, Water resources of the Lower Minnesota River watershed, south-central Minnesota: U.S. Geological Survey Hydrologic Investigations Atlas HA-526, 3 sheets.
Anderson, H.W., Jr., Farrell, D.F., Broussard, W.L., and Hult, M.F., 1975, Water resources of the Zumbro River watershed, southeastern Minnesota: U.S. Geological Survey Hydrologic Investigations Atlas HA-543, 2 sheets.
Austin, G.S., 1972, Paleozoic lithostratigraphy of southeastern Minnesota, in Sims, P.K., and Morey, G.B., eds., Geology of Minnesota-A centennial volume: Minnesota Geological Survey, p. 459-484.
Bloyd, R.M., Jr., 1975, Summary appraisals of the Nation's ground-water resources-Upper Mississippi Region: U.S. Geological Survey Professional Paper 813-B, 22 p.
Brown, C.N., and Morris, R.L., 1959, Naturally occurring radi-oelements in the ground waters of Iowa: Iowa Academy of Science Proceedings, v. 66, p. 270-271.
Buchmiller, Robert, Gaillot, Gary, and Soenksen, P.J., 1985, Water resources of north-central Iowa: Iowa Geological Survey Water Atlas 7, 93 p.
Burkart, M.R., and Buchmiller, R.C., in press, Regional evaluation of hydrologic factors and effects of pumping, St. Peter-Jordan aquifer, Iowa: U.S. Geological Survey Water-Resources Investigations Report 90-4009, 50 p.
Cagle, J.W., and Heintz, A.J., 1978, Water resources of south-central
Iowa: Iowa Geological Survey Water Atlas 5,
97 p.
Cochran, R.W., and Hahne, R.M.A., 1979, Radium-226 and radium-228 in Iowa drinking water, in National Con-ference on Radiation Control, 10th, Harrisburg, Pa., April 30-May 4, 1978, Proceedings: U.S. Department of Health, Education, and Welfare Publication (FDA) 79-8054, p. 213-218.
Cummings, T.R., 1980, Chemical and physical characteristics of natural ground water in Michigan-A preliminary re-port: U.S. Geological Survey Open-File Report 80-953, 34 p.
Delin, G.N., and Woodward, D.G., 1984, Hydrogeologic setting and the potentiometric surfaces of regional aquifers in the Hollandale embayment, southeastern Minnesota, 1970-80: U.S. Geological Survey Water-Supply Paper 2219, 56 p.
Emmons, P.J., 1987, An evaluation of the bedrock aquifer system in northeastern Wisconsin: U.S. Geological Survey Water-Resources Investigations Report 85-4199, 48 p.
Erickson, R.M., and Cotter, R.D., 1983, Trends in ground-water levels in Wisconsin through 1981: Wisconsin Geological and Natural History Survey Information Circular 43, 139 p.
Farrell, D.F., Broussard, W.L., Anderson, H.W., Jr., and Hult, M.F., 1975, Water resources of the Cedar River watershed, southeastern Minnesota: U.S. Geological Survey Hydrologic Investigations Atlas HA-522, 2 sheets.
Foley, F.C., Walton, W.C., and Drescher, W.J., 1953, Ground-water conditions in the Milwaukee-Waukesha area, Wisconsin: U.S. Geological Survey Water-Supply Paper 1229, 96 p.
Handy, A.H., and Twenter, F.R., 1985, Water resources of Pictured Rocks National Lakeshore, Michigan: U.S. Geological Survey Water-Resources Investigations Report 85-4103, 41 p.
Horick, P.J., 1984, Silurian-Devonian aquifer of Iowa: Iowa Geological Survey Miscellaneous Map Series 10, 4 sheets.
Horick, P.J., and Steinhilber, W.L., 1973, Mississippian aquifer of Iowa: Iowa Geological Survey Miscellaneous Map Series 3, 3 sheets.
______1978, Jordan aquifer of Iowa: Iowa Geological Survey Miscellaneous Map Series 6, 3 sheets.
Kammerer, P.A., Jr., 1983, An overview of ground-water quality in Wisconsin: U.S. Geological Survey Water-Resources Investigations Report 83-4239, 58 p.
Kanivetsky, Roman, and Walton, Matt, 1979, Hydrogeologic map of Minnesota, bedrock hydrogeology: A discussion to accompany Minnesota Geological Survey State Map Series S-2, 11 p.
Lindholm, G.F., and Norvitch, R.F., 1976, Ground water in Minnesota: U.S. Geological Survey Open-File Report 76-354, 100 p.
Mai, Huazhao, and Dott, R.H., Jr., 1985, A subsurface study of the St. Peter Sandstone in southern and eastern Wisconsin: Wisconsin Geological and Natural History Sur-vey Information Circular 47, 26 p.
Mandle, R.J., and Kontis, A.L., in press, Simulation of regional ground-water flow in the Cambrian-Ordovician aquifer system in the northern midwest United States: U.S. Geological Survey Professional Paper 1405-C.
Minnesota Department of Health, 1976, Problems relating to safe water supply in southeastern Minnesota: Report to the Legislative Committee on Minnesota Resources, 85 p.
Minnesota Division of Waters, 1961, Water resources of the Minneapolis-St. Paul metropolitan area: Minnesota Division of Waters Bulletin 11, 52 p.
Morey, G.B., Sims, P.K., Cannon, W.F., Mudrey, M.G., Jr., and Southwick, D.L, 1982, Geological map of the Lake Superior region, Minnesota, Wisconsin, and northern Michigan: Minnesota Geological Survey Map S-13, scale 1:1,000,000, 1 sheet.
Nicholas, J.R., Sherrill, M.G., and Young, H.L., 1987, Hydro-geology of the Cambrian-Ordovician aquifer system at a test well in northeastern Illinois: U.S. Geological Survey Water-Resources Investigations Open-File Report 84-4165, 30 p.
Norvitch, R.F., Ross, T.G., and Brietkrietz, Alex, 1973, Water resources outlook for the Minneapolis-St. Paul metropolitan area, Minnesota: Metropolitan Council of the Twin Cities Area, 219 p.
Ostrom, M.E., 1967, Paleozoic stratigraphic nomenclature for Wisconsin: Wisconsin Geological and Natural History Survey Information Circular No. 8, 1 sheet.
Reeder, H.O., Wood, W.W., Ehrlich, G.G., and Sun, R.J., 1976, Artificial recharge through a well in fissured carbonate rock, West St. Paul, Minnesota: U.S. Geological Survey Water-Supply Paper 2004, 80 p.
Ruhl, J.F., and Wolf, R.J., 1983a, Hydrogeologic and water-quality characteristics of the St. Peter aquifer, southeast Minnesota: U.S. Geological Survey Water-Resources Investigations Report 83-4200, 2 sheets.
______1984, Hydrogeologic and water-quality characteristics of the upper carbonate aquifer, southeast Minnesota: U.S. Geological Survey Water-Resources Investigations Report 84-4150, 2 sheets.
Ruhl, J.F., Wolf, R.J., and Adolphson, D.G., 1982, Hydro-geologic and water-quality characteristics of the Ironton-Galesville aquifer, southeast Minnesota: U.S. Geological Survey Water-Resources Investigations Report 82-4080, 2 sheets.
______1983, Hydrogeologic and water-quality characteristics of the Prairie du Chien-Jordan aquifer, southeast Min-nesota: U.S. Geological Survey Water-Resources Investigations Report 83-4045, 2 sheets.
Schoenberg, M.E., 1984, Water levels and water-level changes in the Prairie du Chien-Jordan and Mount Simon aquifers, Twin Cities Metropolitan Area, Minnesota, 1971-80: U.S. Geological Survey Water-Resources Investigations Report 83-4237, 23 p.
Siegel, D.I., 1989, Geochemistry of the Cambrian-Ordovician
aquifer system in the northern midwest United States: U.S. Geological
Survey Professional Paper 1405-D, 77 p.
Skinner, E.L., and Borman, R.G., 1973, Water resources of Wisconsin-Lake Michigan basin: U.S. Geological Survey Hydrologic Investigations Atlas HA-432, 4 sheets.
Steinhilber, W.L., and Horick, P.J., 1970, Ground-water resources of Iowa, in Horick, P.J., ed., Water resources of Iowa: Iowa Academy of Science, p. 29-49.
Twenter, F.R., and Coble, R.W., 1965, The water story in central
Iowa: Iowa Geological Survey Water Atlas 1, 89 p.
U.S. Geological Survey, 1985, National Water Summary, 1984-Hydrologic
events, selected water quality trends, and ground-water resources:
U.S. Geological Survey Water-Supply Paper 2275, 462 p.
Wahl, K.D., Ludvigson, G.A., Ryan, G.L., and Steinkampf, W.C., 1978, Water resources of east-central Iowa: Iowa Geological Survey Water Atlas 6, 91 p.
Western Michigan University, 1981, Hydrogeologic atlas of Michigan-Hydrogeology for underground injection control in Michigan: Kalamazoo, 35 pls.
Winter, T.C., 1974, The natural quality of ground water in Minnesota: Minnesota Department of Natural Resources Bulletin 26, 25 p.
Wolf, R.J., Ruhl, J.F., and Adolphson, D.G., 1983, Hydro-geologic and water-quality characteristics of the Mount Simon-Hinckley aquifer, southeast Minnesota: U.S. Geological Survey Water-Resources Investigations Report 83-4031, 2 sheets.
Woodward, D.G., 1986, Hydrogeologic framework and properties of regional aquifers in the Hollandale embayment, southeastern Minnesota: U.S. Geological Survey Hydrologic Investigations Atlas HA-677, 2 sheets.
Young, H.L., 1976, Digital-computer model of the sandstone aquifer in southeastern Wisconsin: Waukesha, Southeastern Wisconsin Regional Planning Commission Technical Report 16, 42 p.
______in press, Hydrogeology of the Cambrian-Ordovician aquifer system in the northern midwest United States: U.S. Geological Survey Professional Paper 1405-B.
JACOBSVILLE AND CRYSTALLINE-ROCK AQUIFERS
Anderson, H.W., Jr., 1986, Hydrogeologic and water-quality characteristics
of crystalline-rock aquifers of Archean and Proterozoic age, Minnesota:
U.S. Geological Survey Water-Resources Investigations Report 86-4033,
3 sheets.
Hamblin, W.K., 1958, The Cambrian sandstones of northern Michigan: Michigan Geological Survey Publication 51, 149 p.
Handy, A.H., and Twenter, F.R., 1985, Water resources of Pictured Rocks National Lakeshore, Michigan: U.S. Geological Survey Water-Resources Investigations Report 85-4103, 41 p.
Morey, G.B., Sims, P.K., Cannon, W.F., Mudrey, M.G., Jr., and Southwick, D.L., 1982, Geological map of the Lake Superior region, Minnesota, Wisconsin, and northern Michigan: Minnesota Geological Survey Map S-13, scale 1:1,000,000, 1 sheet.
Mudrey, M.G., Jr., Brown, B.A., and Greenberg, J.K., 1982, Bedrock geologic map of Wisconsin: Wisconsin Geological and Natural History Survey, scale 1:1,000,000, 1 sheet.
Olcott, P.G., Ericson, D.W., Felsheim, P.E., and Broussard, W.L., 1978, Water resources of the Lake Superior watershed, northern Minnesota: U.S. Geological Survey Hydrologic Investigations Atlas HA-582, 1 sheet.
Sims, P.K., and Morey, G.B., eds., 1972, Geology of Minnesota-A
centennial volume: Minnesota Geological Sur-vey, 632 p.
Sinclair, W.C., 1959, Reconnaissance of the ground-water resources
of Schoolcraft County, Michigan: Michigan Department of Conservation
Progress Report 22, 84 p.
Vanlier, K.E., 1963a, Reconnaissance of the ground-water resources of Alger County, Michigan: Michigan Department of Conservation, Geological Survey Division Water Investigations 1, 55 p.
______1963b, Ground-water in Menominee County: Michigan Department of Conservation, Geological Survey Division Water Investigations 2, 42 p.
Western Michigan University, 1981, Hydrogeologic atlas of Michigan: Hydrogeology for underground injection control in Michigan: Kalamazoo, 35 pls.
Wittala, S.W., Newport, T.G., and Skinner, E.L., 1967, Water
resources of the Marquette Iron Range area, Michigan: U.S. Geological
Survey Water-Supply Paper 1842, 142 p.
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