au.\*:("KEECH CF")
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GEOLOGY AND GROUND-WATER RESOURCES OF FILLMORE COUNTY,NEBRASKA.KEECH CF; DREESZEN VH; PETRI LR et al.1968; GEOL. SURV. U.S.A., WAT. SUPPLY PAPER; USA; 1968, NUM. 1839Miscellaneous
AVAILABILITY OF GROUND WATER IN YORK COUNTY,NEBRASKA.KEECH CF; DREESZEN VH; EMERY PA et al.1967; GEOL. SURV. U.S.A., WAT. SUPPLY PAPER; USA; 1967, NUM. 1839Miscellaneous
