A feldspar quarry in granite pegmatite. Located 3 miles North of Haddam Neck.
This quarry was erroneously listed as "Portland, CT." It is actually a short distance from the Swanson Quarry in East Hampton.
References:
- Rocks & Min.: 11:92; 12:145; 70:403.
Mineral List:14 entries listed. 14 valid minerals.
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