M. P. 6.8 on Hwy 155 N of Coulee City; 47 43.817N 119 14.813W – Grant Co., WA – 4/23/2010M. P. 6.8 on Hwy 155 N of Coulee City; 47 43.817N 119 14.813W – Grant Co., WA – 4/23/2010Along cliff base just S of Lower Granite Dam on the Snake River; N 46.65687 W 117.43178; Garfield Co., WA; 4/24/2015M. P. 6.8 on Hwy 155 N of Coulee City; 47 43.817N 119 14.813W – Grant Co., WA – 4/23/2010M. P. 6.8 on Hwy 155 N of Coulee City; 47 43.817N 119 14.813W – Grant Co., WA – 4/23/2010Along cliff base just S of Lower Granite Dam on the Snake River; N 46.65687 W 117.43178; Garfield Co., WA; 4/24/2015Along cliff base just S of Lower Granite Dam on the Snake River; N 46.65687 W 117.43178; Garfield Co., WA; 4/24/2015Along cliff base just S of Lower Granite Dam on the Snake River; N 46.65687 W 117.43178; Garfield Co., WA; 4/24/2015Along cliff base just S of Lower Granite Dam on the Snake River; N 46.65687 W 117.43178; Garfield Co., WA; 4/24/2015Along cliff base just S of Lower Granite Dam on the Snake River; N 46.65687 W 117.43178; Garfield Co., WA; 4/24/2015Along cliff base just S of Lower Granite Dam on the Snake River; N 46.65687 W 117.43178; Garfield Co., WA; 4/24/2015Along cliff base just S of Lower Granite Dam on the Snake River; N 46.65687 W 117.43178; Garfield Co., WA; 4/24/2015