Legend (cgs_services/Sand_and_Gravel_Geology)

Counties (0) Streams (1) Milliken_Geology (3) Qa1 Qa2 Qa3 Milliken_Shaded_Relief.tif (4) High : 238 - Low : 2 Cascade_Geology (6) Alluvial Fan Area Cascade_Shaded_Relief.tif (7) High : 254 - Low : 0 Alluvial_Eolian_Glacial_Deposits (8) alluvium - gravel alluvium - gravel, alluvium alluvium eolian sand and/or silt glacial deposits Sedimentary Rocks (9) sandstone, other quartzite, other sedimentary clastic rocks conglomerate, breccia, other limestone, other shale, claystone, siltstone, other Igneous Rocks (10) ash-flow tuff intra-ash-flow quartz latitic lavas rhyolite granite, granodiorite, other andesite, tuff, other intermediate volcanic rocks intrusive intermediate to felsic rocks intermediate to felsic intrusive rocks basalt, other diabase gabbro, diorite, other mixed clastic/volcanic, other Metamorphic Rocks (11) biotite gneiss, schist, other felsic/mafic gneiss, other quartzite and other rock types (can include sedimentary and metamorphic rocks)* Statewide Geology (12) sandstone, other quartzite, other sedimentary clastic rocks conglomerate, breccia, other limestone, other shale, claystone, siltstone, other alluvium - gravel alluvium - gravel, alluvium alluvium eolian sand and/or silt glacial deposits felsic/mafic gneiss, other biotite gneiss, schist, other quartzite, other ash-flow tuff intra-ash-flow quartz latitic lavas rhyolite granite, granodiorite, other andesite, tuff, other intermediate volcanic rocks intrusive intermediate to felsic rocks intermediate to felsic intrusive rocks basalt, other diabase gabbro, diorite, other mixed clastic/volcanic, other