In matter of hearing before subcommittee pursuant to H. R. 387, authorizing committee to make investigation of conditions in coal fields of Colorado; brief of coal mining operators.
Publication Title:
In matter of hearing before subcommittee pursuant to H. R. 387, authorizing committee to make investigation of conditions in coal fields of Colorado; brief of coal mining operators.
Display Title:
In matter of hearing before subcommittee pursuant to H. R. 387, authorizing committee to make investigation of conditions in coal fields of Colorado; brief of coal mining operators.
Corporate Agency Authors:
Mines and Mining Committee, House of Representatives, and Congress