Mining and mining town photographs include images from Pennsylvania and West Virginia. The images include coal and ore mines and company towns: Cokesburg, Cornwall, Ellsworth, Marianna, Naginey (all in Pennsylvania) and Barrackville, Carolina, Idamay (all in West Virginia). There are also materials from Cornwall Ore Mines and Furnace in Lebanon, Pennsylvania, which Bethlehem Steel Corporation owned completely in 1921.

The largest portion of the records deals with the Sparrows Point plant when operated by the Maryland Steel Company. It includes organization and title papers, organization charts, maps and drawings and financial and operating statements. The records give considerable information on Wood's technical contributions, including patents for mill improvements, notebooks covering production and tests and descriptions of the organizaton of work. There is also correspondence with salesmen and customers, notes on wages and working conditions and comparative reports on other British and American iron and steel works. There is particularly rich documentation on the construction and functioning of the company town.