TY - RPRT T1 - Origin of the rocks at Bishop and Clerks shoal and Collier Ledge, Nantucket Sound, Massachusetts: Field report Y1 - 2004 A1 - Stephen B Mabee KW - #MGSPub KW - #MGSPubs KW - #Reports KW - Bishop and Clerks KW - Cape Wind KW - Collier Ledge KW - erratics KW - lighthouse KW - Nantucket Sound KW - shoal AB - The Office of the Massachusetts State Geologist was asked to make a determination of the origin of the rocks at the Bishop and Clerks Shoal and Collier Ledge in Nantucket Sound, Massachusetts. The objective was to determine if the rocks at these two locations were natural features deposited by the glaciers or carried by barge and deposited by man. A field visit was conducted on September 15, 2004. This report summarizes the findings and conclusions. Prepared for the Massachusetts Highway Department and Minerals Management Service. PB - Office of the Massachusetts State Geologist CY - Amherst, MA UR - http://www.geo.umass.edu/stategeologist/Products/reports/BCFieldReport.pdf ER -