1. Pennsylvania anthracite, weekly production; prepared in Division of Fossil Fuels. Bookmark SuDoc number: I 28.49/2:(date)
5. Pennsylvania anthracite; prepared in Division of Fossil Fuels. Bookmark SuDoc number: I 28.49/2:(date)
6. Pennsylvania anthracite; prepared in Division of Fossil Fuels. Bookmark SuDoc number: I 28.49/2:(date)