Maine's natural resources -- granite, limestone and slate in particular -- along with its excellent ports made it a leader in mining and production of the valuable building materials. Stone work also attracted numerous skilled immigrants.
Frank Crockett and photographer J.P. Armbrust took stereo views of Rockland's downtown, industry, and notable homes in the 1870s as a way to promote tourism to the town.
… of Hall Quarry were a great concern for the quarrymen. ? In addition to great physical danger of working year after year with the massive stone…