@techreport {259, title = {Origin of the Rocks at Bishop and Clerks Shoal and Collier Ledge, Nantucket Sound, Massachusetts {\textendash} Field Report}, year = {2005}, pages = {34}, institution = {Massachusetts Geological Survey}, abstract = {Submitted to the U.S. Department of Interior and Minerals Management Service and Massachusetts Highway Department 34 pages contact sbmabee @geo.umass.edu}, keywords = {$\#$MGSPub, $\#$Reports, Bishop and Clerks, boulders, CapeWind, Collier Ledge, glacial, lighthouse, Nantucket Sound}, author = {Stephen B Mabee} } @techreport {345, title = {Origin of the rocks at Bishop and Clerks shoal and Collier Ledge, Nantucket Sound, Massachusetts: Field report}, year = {2004}, month = {12/2004}, pages = {36}, institution = {Office of the Massachusetts State Geologist}, address = {Amherst, MA}, abstract = {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. }, keywords = {$\#$MGSPub, $\#$MGSPubs, $\#$Reports, Bishop and Clerks, Cape Wind, Collier Ledge, erratics, lighthouse, Nantucket Sound, shoal}, url = {http://www.geo.umass.edu/stategeologist/Products/reports/BCFieldReport.pdf}, author = {Stephen B Mabee} }