00773nam 2200169z- 450 9910712876103321(CKB)5470000002497419(EXLCZ)99547000000249741920230509c1973uuuu -u- -engIndex to U.S. Geological Survey computer files containing daily values for water parameters to September 30, 1971 : Central RegionU.S. Geological SurveyWashington, D.CIndex to U.S. Geological Survey computer files containing daily values for water parameters to September 30, 1971 BOOK9910712876103321Index to U.S. Geological Survey computer files containing daily values for water parameters to September 30, 1971 : Central Region3303944UNINA