Authors: IZETT GA COBBAN WA DALRYMPLE GB OBRADOVICH JD

Citation: Ga. Izett et al., AR-40 AR-39 AGE OF THE MANSON IMPACT STRUCTURE, IOWA, AND CORRELATIVEIMPACT EJECTA IN THE CROW CREEK MEMBER OF THE PIERRE SHALE (UPPER CRETACEOUS), SOUTH-DAKOTA AND NEBRASKA/, Geological Society of America bulletin, 110(3), 1998, pp. 361-376

Authors: DYMAN TS TYSDAL RG PERRY WJ OBRADOVICH JD HALEY JC NICHOLS DJ

Citation: Ts. Dyman et al., CORRELATION OF UPPER CRETACEOUS STRATA FROM LIMA PEAKS AREA TO MADISON RANGE, SOUTHWESTERN MONTANA AND SOUTHEASTERN IDAHO, USA, Cretaceous research, 18(6), 1997, pp. 751-766

Authors: HICKS JF OBRADOVICH JD TAUXE L

Citation: Jf. Hicks et al., A NEW CALIBRATION POINT FOR THE LATE CRETACEOUS TIME-SCALE - THE AR-40 AR-39 ISOTOPIC AGE OF THE C33R/C33N GEOMAGNETIC REVERSAL FROM THE JUDITH RIVER FORMATION (UPPER CRETACEOUS), ELK BASIN, WYOMING, USA/, The Journal of geology, 103(3), 1995, pp. 243-256

Authors: BERGGREN WA HILGEN FJ LANGEREIS CG KENT DV OBRADOVICH JD RAFFI I RAYMO ME SHACKLETON NJ

Citation: Wa. Berggren et al., LATE NEOGENE CHRONOLOGY - NEW PERSPECTIVES IN HIGH-RESOLUTION STRATIGRAPHY, Geological Society of America bulletin, 107(11), 1995, pp. 1272-1287

Authors: IZETT GA OBRADOVICH JD

Citation: Ga. Izett et Jd. Obradovich, AR-40 AR-39 AGE CONSTRAINTS FOR THE JARAMILLO NORMAL SUBCHRON AND THEMATUYAMA-BRUNHES GEOMAGNETIC BOUNDARY/, J GEO R-SOL, 99(B2), 1994, pp. 2925-2934

Authors: IZETT GA COBBAN WA OBRADOVICH JD KUNK MJ

Citation: Ga. Izett et al., THE MANSON IMPACT STRUCTURE - AR-40 AR-39 AGE AND ITS DISTAL IMPACT EJECTA IN THE PIERRE SHALE IN SOUTHEASTERN SOUTH-DAKOTA/, Science, 262(5134), 1993, pp. 729-732