1. Stratigraphic and structural relationships of the Brimfield group in northeast-central Connecticut and adjacent Massachusetts Author/Creator: Peper, John D. Publication/Creation: Washington : U.S. Govt. Print. Off, 1975 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 1386-1390. Access & Availability: Loading
2. Stratigraphic and structural relationships of the Brimfield group in northeast-central Connecticut and adjacent Massachusetts Author/Creator: Peper, John D., author Publication/Creation: [Reston, Va.] : United States Department of the Interior, Geological Survey, 1975 Resource Type: Book Access & Availability: Loading
3. Changes in nomenclature of upper Precambrian to lower Paleozoic(?) formations in the Natick quadrangle, eastern Massachusetts, and their tentative correlations with rocks in Rhode Island and Connecticut Author/Creator: Nelson, Arthur E. 1922- (Arthur Edward), author Publication/Creation: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1974 Resource Type: Book Access & Availability: Loading