TY - RPRT TI - Assessment of continuous oil and gas resources in the Ordovician Collingwood Formation and Utica Shale of the Michigan Basin Province, 2019 AU - Christopher J. Schenk AU - Tracey J. Mercier AU - Cheryl A. Woodall AU - Heidi M. Leathers-Miller AU - Thomas M. Finn AU - Phuong A. Le AU - Michael E. Brownfield AU - Kristen R. Marra AU - Geoffrey S. Ellis PY - 2020 DO - 10.3133/fs20203027 UR - https://pubs.usgs.gov/publication/fs20203027 ID - fs20203027 ER -