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Publication Extents

Not all publications have extents, not all extents are completely accurate
Regional trends in water-well drilling in the United States
Gerald Meyer, Granville G. Wyrick
1966, Circular 533
Between the towns of Macon and Taylorville in central Illinois lies a ridge that is part of a system of ridges and knolls largely composed of sand and gravel. This ridge contains an important aquifer. An extensive electrical earth resistivity survey was conducted over the ridged-drift aquifer. Inversion of the...
Water resources of the Pomme de Terre River Watershed, West-central Minnesota
R. D. Cotter, L. E. Bidwell
1966, Hydrologic Atlas 220
The watershed is underlain by water-bearing glacial drift, cretaceous rocks, and Precambrian crystalline rocks.  It is an elongate basin 92 miles long and has a drainage area of 977 square miles.  The Pomme de Terre River flows within an outwash valley discharging into the Minnesota River at Marsh Lake....