Show 4 THOUSANDS OF YEARS of erosion resulting from ebbing oceans and lakes left this formation cast I 1 of grand junction drainage of an ocean perhaps millions of years ago left huge ridges which had been on the ocean bed in the form of hills then when the heavy runoff of the huge J lakes that were left oc cuned deep valleys such as the grand valley of the colorado river were f left chukker partridges have been se eleas leased cd in the green river area of ed wyoming in an experiment to determine if the birds will survive rations tinder der adverse winter weather con uit ions but dont get excited hunters the birds are under the wyoming game law protection |