Report of William Stein, Mine Inspector of the Sixth Anthracite Coal District, Edward Roderick, Mine Inspector of the First Anthracite Coal District, and Edward Brennan, Mine Inspector of the Seventh Anthracite Coal District, Who Were Requested by the Governor of the Commonwealth of Pennsylvania to Investigate the Disaster which Occured at the Twin Shaft Colliery, Pittston, Pennsylvania, on the Morning of the Twenthy-Eighth Day of June, 1896