| OCR Text |
Show 76 vicinity sion. of the Murray City Power Station before the lake transgres The glacier must have begun to recede before the lake level reached 5,135 feet at Little Cottonwood, because till below this altitude is veneered by lake sediments of the Bonneville Formation. When the lake reached 5,135 feet overflowed at Red Rock Pass, level the its outlet as cirque gressions the was near Little Cottonwood Canyon, Idaho, and quickly fell eroded. Later moraines Provo level. during its general period Earlier glaciations correlative with the several of or minor trans regression in the canyons levels of the Provo in the canyons and in may be correlative with later stillstands of the lake to the it are Alpine Stage from probably of Lake Bonneville. Additional the glacial including evidence must be gathered in the future to clarifY and lacustrine the Holocene chronologies of the Bonneville Basin, chronologies. be obtained to test the current Stratigraphic relationships and new wells are drilled. to better determine the past climates. Additional absolute dates must interpretation and must be studied as new Palynological studies vegetation history to refine it. exposures are found must be continued and to better reconstruct |