Grand Canyon NPS:
Grand Canyon_Fossil Fern in Hermit Shale
Grand Canyon NPS:
39123 Grand Canyon_Fossil Fern in Hermit Shale
Grand Canyon NPS:
21372 Grand Canyon_Fossil Brachiopod in Kaibab Limestone
Grand Canyon NPS:
21372 Grand Canyon_Fossil Brachiopod in Kaibab Limestone
Grand Canyon NPS:
11609 Grand Canyon_Fossil Trilobite in Bright Angel Shale
Grand Canyon NPS:
11570 Grand Canyon_Fossil Trilobite in Bright Angel Shale
Grand Canyon NPS:
11502 Grand Canyon National Park - Fossil Trilobite in Bright Angel Shale
Grand Canyon NPS:
11096 Grand Canyon_Fossil Syringopore in Redwall Limestone
Grand Canyon NPS:
11096 Grand Canyon_Fossil Syringopore in Redwall Limestone
Grand Canyon NPS:
11064 Grand Canyon_Fossil Brachiopod in Redwall Limestone
Grand Canyon NPS:
11064 Grand Canyon_Fossil Brachiopod in Redwall Limestone
Grand Canyon NPS:
11064 Grand Canyon_Fossil Brachiopod in Redwall Limestone
Grand Canyon NPS:
11019 Grand Canyon_Fossil Horn Coral in Redwall Limestone
Grand Canyon NPS:
10936 Grand Canyon_ Fossil Crinoid Kaibab Limestone
Grand Canyon NPS:
8528 Grand Canyon_ Fossil Worm Trails in Bright Angel Shale
Grand Canyon NPS:
8528 Grand Canyon_ Fossil Worm Trails in Bright Angel Shale
Grand Canyon NPS:
8323 Grand Canyon_ Fossil Stromatite in Bass Limestone
Grand Canyon NPS:
06947 Grand Canyon_ Fossil Ripples in Shale
Grand Canyon NPS:
6947 Grand Canyon_ Fossil Ripples in Shale
Grand Canyon NPS:
6770 Grand Canyon_ Tigmatic Folding in Vishnu Schist
Grand Canyon NPS:
4423 Grand Canyon_ Fossil Coral in Redwall Limestone
Grand Canyon NPS:
4423 Grand Canyon_ Fossil Coral in Redwall Limestone
Grand Canyon NPS:
4420 Grand Canyon_ Fossil Bryozoan in Redwall Limestone
Grand Canyon NPS:
4419 Grand Canyon_ Fossil Bryozoan in Redwall Limestone
Grand Canyon NPS:
03209 Grand Canyon_ Fossil Fern in Hermit Shale
Grand Canyon NPS:
2915 Grand Canyon_ Fossil Tracks in Coconino Sandstone
Grand Canyon NPS:
2915 Grand Canyon_ Fossil Tracks in Coconino Sandstone
Grand Canyon NPS:
2815 Grand Canyon_ Fossil Tracks in Coconino Sandstone
Grand Canyon NPS:
Grand Canyon National Park: Hermit Trail: Fossil Footprints 3665
Grand Canyon NPS:
Grand Canyon National Park: Hermit Trail: Fossil Footprints 3656