@book{109930,
	author = {Greene, Homer,},
	title = {Coal and the coal mines},
	publisher = {Project Gutenberg,},
	year = {2022},
	address = {Salt Lake City, UT :},
	note = {With illustrations from drawings by the author.},
	url = {https://babel.hathitrust.org/cgi/pt?id=pst.000064125633}
}