Show 42 remnant of which is Utah Lake northeast corner of the main body a broad neck of water led into Cache Bay This bay filled most of present Cache valley and covered the sites of most of the present towns of the valley Islands were Franklin and Cache and Battle Creek Buttes It was through this bay that the lake finally found an outlet through Red Rock Pass to the north Several other smaller bays extended northward from the main body the most important of which filled the Mai ad valley reaching as far as the city of Mai ad Idaho The Sevier body occupied approximately half of the region now included in Millard and Juab counties as well The whole plain where as parts of Beaver and Iron counties Delta now stands was submerged Half the town of Fillmore stands on the ancient lake bed water spread to the edge of 7 th About the lot where the old "State House" now stands of the total area of Lake Bonneville was located in the Sevier region which was connected to the main body by three straits The greatest depth of this portion of the From the one-fif- lake was 650 feet From the Sevier body two large bays extended southward and a number of smaller ones were located on the east One of the larger bays filled Preuss and north sides 7 Gilbert Lake Bonneville 125 |