Authors: Evans, KV Aleinikoff, JN Obradovich, JD Fanning, CM

Citation: Kv. Evans et al., SHRIMP U-Pb geochronology of volcanic rocks, Belt Supergroup, western Montana: evidence for rapid deposition of sedimentary strata, CAN J EARTH, 37(9), 2000, pp. 1287-1300

Authors: Hicks, JF Obradovich, JD Tauxe, L

Citation: Jf. Hicks et al., Magnetostratigraphy, isotopic age calibration and intercontinental correlation of the Red Bird section of the Pierre Shale, Niobrara County, Wyoming,USA, CRETAC RES, 20(1), 1999, pp. 1-27