"Removal of petroleum coke from Dubbs stills, by L.A. Mekler": p. 28-29.At head of title: U.S. Department of Commerce. R.P. Lamont, secretary. Bureau of Mines. Scott Turner, director.Includes bibliographical references.Mode of access: Internet
At head of title: U.S. Department of Commerce. R.P. Lamont, secretary. Bureau of Mines. Scott Turner...
At head of title: United States Department of the Interior. Harold L. Ickes, secretary. Bureau of Mi...
At head of title: United States Dept. of the Interior, Harold L. Ickes, secretary; Bureau of mines, ...
Reprinted from Mineral resources of the United States, 1915, pt. II (p. 515-558) December 14, 1916.A...
At head of title: U.S. Department of Commerce. R.P. Lamont, secretary. Bureau of Mines. Scott Turner...
Advanced chapter from Mineral resources of the United States, calendar year 1908.At head of title: D...
At head of title: U.S. Department of commerce. R. P. Lamont, secretary. Bureau of mines. Scott Turne...
Running title: Analyses of crude petroleums of the United States.At head of title: ... Department of...
At headf of title: United States Dept. of the Interior ... Bureau of Mines."Publications in the surv...
At head of title: United States Department of the Interior, Harold L. Ickes, Secretary; Bureau of Mi...
At head of title: ... Department of commerce. Herbert Hoover, secretary. Bureau of mines. Scott Turn...
At head of title: United States Dept. of the interior. Harold L. Ickes, secretary. Bureau of mines, ...
At head of title: Department of Commerce. R.P. Lamont, secretary. Bureau of Mines. Scott Turner, dir...
At head of title: Department of Commerce. R.P. Lamont, secretary. Bureau of Foreign and Domestic Com...
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...
At head of title: United States Department of the Interior. Harold L. Ickes, secretary. Bureau of Mi...
At head of title: United States Dept. of the Interior, Harold L. Ickes, secretary; Bureau of mines, ...
Reprinted from Mineral resources of the United States, 1915, pt. II (p. 515-558) December 14, 1916.A...
At head of title: U.S. Department of Commerce. R.P. Lamont, secretary. Bureau of Mines. Scott Turner...
Advanced chapter from Mineral resources of the United States, calendar year 1908.At head of title: D...
At head of title: U.S. Department of commerce. R. P. Lamont, secretary. Bureau of mines. Scott Turne...
Running title: Analyses of crude petroleums of the United States.At head of title: ... Department of...
At headf of title: United States Dept. of the Interior ... Bureau of Mines."Publications in the surv...
At head of title: United States Department of the Interior, Harold L. Ickes, Secretary; Bureau of Mi...
At head of title: ... Department of commerce. Herbert Hoover, secretary. Bureau of mines. Scott Turn...
At head of title: United States Dept. of the interior. Harold L. Ickes, secretary. Bureau of mines, ...
At head of title: Department of Commerce. R.P. Lamont, secretary. Bureau of Mines. Scott Turner, dir...
At head of title: Department of Commerce. R.P. Lamont, secretary. Bureau of Foreign and Domestic Com...
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...
At head of title: United States Department of the Interior. Harold L. Ickes, secretary. Bureau of Mi...
At head of title: United States Dept. of the Interior, Harold L. Ickes, secretary; Bureau of mines, ...