the best-known explorer in wyoming is none other than jim bridger. he wasn't that well traveled, but he did a great amount of documentation in his diary. he was the first white man, we believe, to have discovered the great salt lake. it's his diaries that the mormons will later follow to the great salt lake. when you compare jim bridger to another very famous explorer, john c. free mount, when you compare his travels with some of the other explorers, you can see how some were very well traveled and some just stuck to certain areas. but they're all important to the story of the trails west and why people came west, and these diaries that will be followed basically become the road maps for all of these trails down the way. at the oregon trail gallery, you will experience crossing the great flat river. >> no matter what happens, just sit still! >> we have just crossed the river in between fort laramie and red butte here at casper. we will be traveling on, trying to get to independence rock by the fourth of july, hence the name independence rock. and aga