Add to ORKGAt head of title: Department of Commerce. R.P. Lamont, Secretary. Bureau of Mines. Scott Turner, Director.Mode of access: Internet
At head of title: U.S. Department of Commerce. R.P. Lamont, secretary. Bureau of Mines. Scott Turner...
Running title: Safety work in mines.Includes bibliographical references (p. 51-54) and index.Mode of...
"Department of Commerce. Herbert Hoover, secretary. Bureau of Mines. Scott Turner, director."Cover h...
At head of title: ... Department of Commerce. Herbert Hoover, secretary. Bureau of Mines. Scott Turn...
At head of title: Department of the Interior, Bureau of Mines, Joseph A. Holmes, director.Cover titl...
At head of title: ... Department of commerce. Herbert Hoover, secretary. Bureau of mines. Scott Turn...
At head of title: U.S. Department of Commerce. Daniel C. Roper, secretary. Bureau of Mines. Scott Tu...
At head of title: U.S. Dept. of Commerce. R.P. Lamont, secretary. Bureau of Mines. Scott Turner, dir...
At head of title: U.S. Department of Commerce, R.P. Lamont, secretary. Bureau of Mines. Scott Turner...
At head of title: Department of Commerce. R.P. Lamont, secretary. Bureau of Mines. Scott Turner, dir...
At head of title: U.S. Department of commerce. R. P. Lamont, secretary. Bureau of mines. Scott Turne...
At head of title: ... Department of commerce. Herbert Hoover, secretary. Bureau of mines. Scott Turn...
At head of title: U.S. Dept. of Commerce. R.P. Lamont, secretary. Bureau of Mines. Scott Turner, dir...
At head of title: ... Department of the interior. Bureau of mines. Joseph A. Holmes, director."Repri...
At head of title: U.S. Department of Commerce. R.P. Lamont, secretary. Bureau of Mines. Scott Turner...
At head of title: U.S. Department of Commerce. R.P. Lamont, secretary. Bureau of Mines. Scott Turner...
Running title: Safety work in mines.Includes bibliographical references (p. 51-54) and index.Mode of...
"Department of Commerce. Herbert Hoover, secretary. Bureau of Mines. Scott Turner, director."Cover h...
At head of title: ... Department of Commerce. Herbert Hoover, secretary. Bureau of Mines. Scott Turn...
At head of title: Department of the Interior, Bureau of Mines, Joseph A. Holmes, director.Cover titl...
At head of title: ... Department of commerce. Herbert Hoover, secretary. Bureau of mines. Scott Turn...
At head of title: U.S. Department of Commerce. Daniel C. Roper, secretary. Bureau of Mines. Scott Tu...
At head of title: U.S. Dept. of Commerce. R.P. Lamont, secretary. Bureau of Mines. Scott Turner, dir...
At head of title: U.S. Department of Commerce, R.P. Lamont, secretary. Bureau of Mines. Scott Turner...
At head of title: Department of Commerce. R.P. Lamont, secretary. Bureau of Mines. Scott Turner, dir...
At head of title: U.S. Department of commerce. R. P. Lamont, secretary. Bureau of mines. Scott Turne...
At head of title: ... Department of commerce. Herbert Hoover, secretary. Bureau of mines. Scott Turn...
At head of title: U.S. Dept. of Commerce. R.P. Lamont, secretary. Bureau of Mines. Scott Turner, dir...
At head of title: ... Department of the interior. Bureau of mines. Joseph A. Holmes, director."Repri...
At head of title: U.S. Department of Commerce. R.P. Lamont, secretary. Bureau of Mines. Scott Turner...
At head of title: U.S. Department of Commerce. R.P. Lamont, secretary. Bureau of Mines. Scott Turner...
Running title: Safety work in mines.Includes bibliographical references (p. 51-54) and index.Mode of...
"Department of Commerce. Herbert Hoover, secretary. Bureau of Mines. Scott Turner, director."Cover h...