National Register of Historic Places
Portland Brownstone Quarries
Also designated a National Historic Landmark.
Portland, Middlesex County, Connecticut
The record
- Listed
- May 16, 2000
- Type
- Site
- Address
- Brownstone Ave., and Silver St., Portland
- County
- Middlesex
- State
- Connecticut
- Coordinates
- 41.57522, -72.64287
- Reference number
- 00000703