Summary of ground-water hydrology of the Cambrian-Ordovician aquifer system in the northern Midwest, United States
Young, H. L.
Summary of ground-water hydrology of the Cambrian-Ordovician aquifer system in the northern Midwest, United States by H.L. Young. - Washington U.S. G.P.O. 1992. - p. cm. - Regional aquifer-system analysis U.S. Geological Survey professional paper 1405-A . - U.S. Geological Survey professional paper ; .
Includes bibliographical references.
90003099
Water, Under ground--Middle West.
Geography, Stratigraphic--Ordovician.
Geography, Stratigraphic--Cambrian.
Aquifers--Middle West.
GB1017 / .Y68 1991
551.49/0977
I 19.16:1405-A
Summary of ground-water hydrology of the Cambrian-Ordovician aquifer system in the northern Midwest, United States by H.L. Young. - Washington U.S. G.P.O. 1992. - p. cm. - Regional aquifer-system analysis U.S. Geological Survey professional paper 1405-A . - U.S. Geological Survey professional paper ; .
Includes bibliographical references.
90003099
Water, Under ground--Middle West.
Geography, Stratigraphic--Ordovician.
Geography, Stratigraphic--Cambrian.
Aquifers--Middle West.
GB1017 / .Y68 1991
551.49/0977
I 19.16:1405-A