Keywords: Slate quarries
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.
Workers in Maine have labored in factories, on farms, in the woods, on the water, among other locales. Many of Maine's occupations have been determined by the state's climate and geographical features.
Farmington's Normal School -- a teacher-training facility -- opened in 1863 and, over the decades, offered academic programs that included such unique features as domestic and child-care training, and extra-curricular activities from athletics to music and theater.
Biddeford’s granite and slate cutting was a crucial part of their economy and even helped support the build of the Western Railroad in 1872.
The slate was made of clay or volcanic ash. Slate, a rock formed from shale and mined by quarrying, had low heat and not very much pressure put on it.