7/17/2017 · Nashua River Rail Trail, Groton, Groton, Mass­a­chu­setts · ≈ 3 × 2½″ (7.9 × 6.4 cm)

10/7/2018 · Shepley Hill, Groton, Mass­a­chu­setts ID is uncertain

6/30/2013 · Great Hill Conservation Land, Acton, Mass­a­chu­setts · ≈ 2½ × 2″ (7 × 6 cm)

7/17/2017 · Nashua River Rail Trail, Groton, Groton, Mass­a­chu­setts · ≈ 3 × 2″ (7.7 × 5.7 cm)

7/17/2017 · Nashua River Rail Trail, Groton, Groton, Mass­a­chu­setts · ≈ 2½ × 2½″ (6.4 × 7 cm)

9/27/2018 · Pearl Hill State Park, Townsend, Mass­a­chu­setts · ≈ 2 × 2″ (5.8 × 5.5 cm) ID is uncertain

7/17/2017 · Nashua River Rail Trail, Groton, Groton, Mass­a­chu­setts · ≈ 4½ × 3½″ (11 × 8.8 cm)

10/7/2018 · Shepley Hill, Groton, Mass­a­chu­setts ID is uncertain

7/17/2017 · Nashua River Rail Trail, Groton, Groton, Mass­a­chu­setts · ≈ 2 × 1¾″ (5.5 × 4.6 cm)

7/17/2017 · Nashua River Rail Trail, Groton, Groton, Mass­a­chu­setts · ≈ 6 × 4″ (14 × 10 cm)

7/17/2017 · Nashua River Rail Trail, Groton, Groton, Mass­a­chu­setts · ≈ 2½ × 2″ (6.5 × 5.5 cm)

7/17/2017 · Nashua River Rail Trail, Groton, Groton, Mass­a­chu­setts · ≈ 2½ × 2″ (6.5 × 5.1 cm)

7/17/2017 · Nashua River Rail Trail, Groton, Groton, Mass­a­chu­setts · ≈ 1½ × 1¾″ (4 × 5 cm)

8/20/2012 · Nashua River Rail Trail, Groton Center, Groton, Mass­a­chu­setts · ≈ 4 × 3½″ (10 × 9.1 cm)

7/17/2017 · Nashua River Rail Trail, Groton, Groton, Mass­a­chu­setts · ≈ 5 × 3½″ (13 × 9.3 cm)

8/3/2012 · Bemis Rd Conservation Area, Pepperell, Mass­a­chu­setts · ≈ 2 × 1¾″ (5.1 × 4.8 cm)

8/20/2012 · Nashua River Rail Trail, Groton Center, Groton, Mass­a­chu­setts · ≈ 2½ × 2″ (6.5 × 5.3 cm)

8/20/2012 · Nashua River Rail Trail, Groton Center, Groton, Mass­a­chu­setts · ≈ 4½ × 3″ (11 × 8.4 cm)