60
    • P1011432
    • Schiehallion Boulder Bed. Collection of...
    • P1011592
    • Lintrathen Porphyry. See MC 1483....
    • P1011593
    • Andesite. Lava block in agglomerate or...
    • P1011594
    • Andesite. Lava block in agglomerate or...
    • P1011595
    • Andesite. Lava block in agglomerate or...
    • P1011596
    • Andesite. Quarry SE of Charleston...
    • P1011597
    • Andesite. Quarry SE of Charleston...
    • P1011598
    • Andesite. Quarry SE of Charleston...
    • P1011599
    • Andesite. Quarry SE of Charleston...
    • P1011600
    • Quartz-dolerite. Knocky Quarry, 1 mile...
    • P1011601
    • Quartz-dolerite. Knocky Quarry, 1 mile...
    • P1011602
    • Quartz-dolerite. Knocky Quarry, 1 mile...