Field Guide 012November 9, 1999/in Guidebooks /by Tom BushCheney, E. S., 1999, The Geology of Quartz Creek: Plutons, Copper Mineralization, and Alteration of the Snoqualmie Batholith, Cascade Range, Washington (1.5 MB) https://nwgs.org/wp-content/uploads/2022/01/NWGS-logo-square-1.jpg 272 248 Tom Bush Tom Bush1999-11-09 00:00:532022-01-07 12:23:25Field Guide 012