PLATE XXIII.
U. S. Geol. Surv.
Scale, 1+ mile per inch.
Fig. 1. MASSACHUSETTS.
U. S. Geol. Surv.
Scale, 1+ mile per inch.
Fig. 2. MAINE.
PLATE XXIV.
PLATE XXIII.
U. S. Geol. Surv.
Scale, 1+ mile per inch.
Fig. 1. MASSACHUSETTS.
U. S. Geol. Surv.
Scale, 1+ mile per inch.
Fig. 2. MAINE.
PLATE XXIV.