Show 55 29 the Wasatch mountains By far the most complete survey and report of Lake Bonneville was made under the direction of Grove Karl Gilbert on through the direction of the Department of Interior Gilbert and his men traced the complete shore line and mapped every bit of it until he was able to assert: "It is 1878-8- 0 probable that the extent and form of no modern lake in an unsettled country is more accurately known" 50 Gilbert’s report Lake Bonneville is the classic on the subject and the basis for most of the study made on the history of that ancient lake It is the source from which the writer obtained most of the information concerning the Lake Bonneville presented in this paper Since the publication of Lake Bonneville other geologists have made studies of the Great Salt Lake region but dealt with localized sedimentary deposits and do not alter the story of Lake chemical analyses etc most of these have Bonneville as presented here 29 S E Emmons "Descriptive Geology" 540 Exploration of the 40th Parallel II 30 Gilbert Lake Bonneville 125 Geological |