Fossil Hunting

In addition to profit potential, the process of fossil hunting can give you an intimate familiarity with the land and connect you to the history of life on earth.

064 fossil hunting - crinoid
[7] An intact flowerlike crinoid—a sea animal with a stem, head, and arms—will bring 880 or more from a collector, and if you're lucky enough to find a whole group of crinoids on a slab, the rock will be almost priceless! 
C. JEREMY SHAW