Search Constraints
You searched for:
All Creators
Phelps, Harvey W.
Remove constraint All Creators: Phelps, Harvey W.
Digital Content
No Digital Content
Remove constraint Digital Content: No Digital Content
All Subjects
Pneumoconiosis.
Remove constraint All Subjects: Pneumoconiosis.
Subject Topical
Coal mines and mining--Rocky Mountain Regions.
Remove constraint Subject Topical: Coal mines and mining--Rocky Mountain Regions.
Subject Topical
Lungs--Dust diseases.
Remove constraint Subject Topical: Lungs--Dust diseases.
1 entry found