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- Methods and costs of sinking a circular concrete-lined ventilation shaft
- Methods and costs of shaft sinking in the Coeur d'Alene District, Shoshone County, Idaho
- Sinking methods and costs for a small vertical shaft with steel supports :Keystone mine, Crested Butte, Colorado
- Safety practices in shaft sinking and tunneling :West Delaware aqueduct
- Methods and costs of shaft sinking, U.S. Atomic Energy Commission Project Gnome, near Carlsbad, New Mexico
- Mining method, technique, and cost of presplitting the flood control gate shaft, Littleville Dam, Huntington, Mass.