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- Washability studies of the Mary Lee bed at Hull Mine, Dora, Ala.
- Re-treatment of Sayreton jig middlings on coal-washing tables
- Washability studies of the Brookwood Bed at the Warrior View Mine, Tuscaloosa, Ala.
- Re-treatment of fine washed coal from the Black Creek and Mary Lee Beds on coal washing tables
- Washability studies of Blue Creek Bed at Connellsville Mine, Connellsville, Ala.
- Washability studies of Mary Lee Bed at Powhatan Mine, Powhatan, Ala.
- Washability studies of coal from the Mary Lee Bed at the Bankhead Mine, Bankhead, Ala.
- The cleaning of fine coal from the Mary Lee Bed at the Porter Mine
- Table cleaning of fine coal from the Thompson and Woodstock beds of the Cahaba Field, Alabama
- Classification and tabling of Alabama red iron ores