Subjects
- Gold mining.1
- Great Fire, Chicago, Ill., 1871.1
- Hoisting machinery.1
- Homestead Strike, Homestead, Pa., 1892.1
- Horse railroads.1
- Hurricanes--Texas--Galveston--1900.1
- Ice skating -- Michigan.1
- Ice.1
- Inclined railroads.1
- Industrial facilities.1
- Industries.1
- Industry--United States.1
- Industry.1
- Interiors.1
- Inventors.1
- Iron miners--Michigan.1
- Iron mines and mining.1
- Iron mining.1
- Labor--Michigan.1
- Laborers.1