Caves, Canyons, Cactus & Critters

Using overhead or board drawings, demonstrate and discuss stratigraphic, structural, salt dome, and reef traps. Cut the bottom off empty 3 liter soda bottles approximately 5 inches from the bottom. Leaving the cap tightly secured, turn empty 3-liter soda bottles over and place the top into the bottom, using the bottom as a stand. ................
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