| Call Number (LC) | Title | Results |
|---|---|---|
| I 28.27:6331 | Cobalt | 1 |
| I 28.27:6341 | Geophysical abstracts, no. 1-127 | 1 |
| I 28.27:6342 | Milling practice at the Netta mine of Eagle Picher Lead Co., at Picher, Oklahoma | 1 |
| I 28.27:6343 | Milling methods and costs at the concentrator of the United Verde Copper Co., Clarkdale, Ariz | 1 |
| I 28.27:6346 |
Mining laws of Canada Method and cost of mining hematite at the Eureka-Asteroid mine on the Gogebic range, Gogebic county, Mich |
2 |
| I 28.27:6350 | Undercut block-caving method of mining in western copper mines | 1 |
| I 28.27:6353 | Milling practice at the White Bird concentrator, Canam Metals Corporation, Picher, Okla | 1 |
| I 28.27:6356 | Method and cost of quarrying limestone at the Speed quarry of the Louisville Cement Co., Speed, Indiana | 1 |
| I 28.27:6357 | Methods and costs of treatment at the Calumet & Hecla reclamation plant | 1 |
| I 28.27:6358 | Milling methods and costs at the Nacozari concentrator of the Phelps Dodge Corporation, Nacozari, Sonora, Mexico | 1 |
| I 28.27:6359 | Milling methods and costs at the Black Hawk concentrator, Hanover, New Mexico | 1 |
| I 28.27:6360 | Mining methods and costs at Tintic Standard mine, Tintic District, Utah | 1 |
| I 28.27:6361 | Mining and engineering methods and costs of the Hanover Bessemer Iron & Copper Co., Fierro, N. Mexico | 1 |
| I 28.27:6364 | Milling method and cost at the conglomerate mill of the Calumet & Hecla Consolidated Copper Co | 1 |
| I 28.27:6365 | Titanium | 1 |
| I 28.27:6368 | Mining practice at the Pecos mine of the American Metal Co. of New Mexico | 1 |
| I 28.27:6369 | Mining methods and costs at the Montreal Mine, Montreal, Wis | 1 |
| I 28.27:6370 | Methods of mining at the Black Rock Mine, Butte & Superior Mining Co., Butte District, Mont | 1 |
| I 28.27:6371 | Mining methods and costs of the Silver King Coalition Mines Co., Park City, Utah | 1 |
| I 28.27:6372 | Mining methods at the Page mine of the Federal Mining and Smelting Co., Page, Idaho | 1 |