No rockhound excursion would be complete in Wyoming without exploring Yellowstone National Park. I have written entire articles which cover the rockhounding laws and regulations for nearly every type of public land you can think of. The minerals listed above are among the most famous in Wyoming; however, Wyoming is full of other minerals. Moonshine Arch near Vernal, UT along with a dinosaur track site at Red Fleet: 10.) YellowOvernight hikes, typically 2 nights. Hello and thank you for posting this information. Wyoming happens to be among the best states in the entire country for rockhounding thanks to the sheer volume of prospective collecting sites and the impressive array of rocks and minerals to be found. Pictures and notes on the fossils near Farson. While there may have been changes in hours of public viewing, business location and/or other //-->, ,