Bob Patton:
Lichen-Encrusted Rhyolite, Hughes Mountain Natural Area, Missouri
Bob Patton:
Hughes Mountain Natural Area -155714
Bob Patton:
Hughes Mountain Natural Area -160750
Bob Patton:
Hughes Mountain Natural Area -161635
Bob Patton:
Hughes Mountain Natural Area -161641
Bob Patton:
Hughes Mountain Natural Area -162058
Bob Patton:
Hughes Mountain Natural Area -163411
Bob Patton:
Hughes Mountain Natural Area -164438
Bob Patton:
Hughes Mountain Natural Area -171732
Bob Patton:
Hughes Mountain Natural Area -193043