CLICK ON A COLORED AREA OF THE GEOLOGY MAP TO SHOW INFORMATION HERE
	wtr	---	water	---
	Qa	Holocene	alluvium	---
	Qp	Holocene	peat deposits	---
	Qd	Holocene-Pleistocene	dune sand	---
	Ql	Holocene-Pleistocene	loess	Palouse Formation
	Qfg	Pleistocene	outburst flood deposits, gravel, late Wisconsin	Missoula, glacial Lake, deposits of
	Qgd	Pleistocene	continental glacial drift, Fraser-age	mostly Vashon Stade in western WA; unnamed in eastern WA
	Qgl	Pleistocene	glaciolacustrine deposits, Fraser-age	mostly Vashon Stade in western WA; unnamed in eastern WA
	Qglf	Pleistocene	lacustrine and outburst flood deposits, Fraser-age	---
	Qls	Pleistocene	mass-wasting deposits, mostly landslides	---
	PLMcg	Pliocene-Miocene	continental sedimentary deposits, conglomerate	---
	Mc(l)	Miocene	continental sedimentary deposits, conglomerate	Latah Formation
	Mv(gN2)	Miocene, middle	basalt flows	Grande Ronde Basalt, N2 (upper flows of norm.mag.pol.)
	Mv(wpr)	Miocene, middle	basalt flows	Priest Rapids Member, Wanapum Basalt
	Eiat(r)	Eocene	two-mica granite	Mount Rathdrum, granite of
	Eida	Eocene	intrusive dacite	---
	Eigd(t)	Eocene	granodiorite	Tumtum, intrusive rocks near
	Eiqm(s)	Eocene	quartz monzonite	Silver Point Quartz Monzonite
	TKia	Tertiary-Cretaceous	acidic intrusive rocks	---
	TKia(c)	Tertiary-Cretaceous	acidic intrusive rocks	Corkscrew Canyon, intrusive rock in
	TKia(f)	Tertiary-Cretaceous	acidic intrusive rocks	Four Mound Prairie, intrusive rock of
	TKia(mc)	Tertiary-Cretaceous	acidic intrusive rocks	Mud Creek, intrusive rock near
	TKiaa	Tertiary-Cretaceous	alaskite-aplite-pegmatite	---
	Kia(m)	Cretaceous	acidic intrusive rocks	Midnite mine pluton
	Kiat(ls)	Cretaceous	two-mica granite	Little Spokane River, intrusive rock of
	Kiat(o)	Cretaceous	two-mica granite	Otter Creek, intrusive rock near
	Kiat(s)	Cretaceous	two-mica granite	Mount Spokane, granite of
	Kigd(fl)	Cretaceous	granodiorite	Fan Lake, granodiorite of
	Kigd(w)	Cretaceous	granodiorite	Wellpinit, granodiorite near
	Kog(ms)	Cretaceous	orthogneiss	Mount Spokane, granite of
	Kog(n)	Cretaceous	orthogneiss	Newman Lake Gneiss
	Kog(s)	Cretaceous	orthogneiss	Mount Spokane, orthogneiss near
	CYmm	Cambrian-Proterozoic	marine metasedimentary rocks	---
	CYq(e)	Cambrian-Proterozoic	quartzite, low grade	Edwall, quartzite near
	Ymm(m)	middle Proterozoic	marine metasedimentary rocks	McHale Slate, Deer Trail Group
	Yms(r)	middle Proterozoic	metasedimentary rocks	Ravalli Group, Belt Supergroup
	Yms(w)	middle Proterozoic	metasedimentary rocks	Wallace Formation, Belt Supergroup
	Yq(b)	middle Proterozoic	quartzite, low grade	Buffalo Hump Formation, Deer Trail Group
	Yq(dt)	middle Proterozoic	quartzite, low grade	Deer Trail Group
	pCam(p)	Precambrian	amphibolite	Priest River complex
	pCbg(c)	Precambrian	banded gneiss	Cable Peak, gneiss near
	pCbg(h)	Precambrian	banded gneiss	Hauser Lake Gneiss
	pCbg(m)	Precambrian	banded gneiss	Mica Peak, gneiss of
	pChm(p)	Precambrian	heterogeneous metamorphic rocks	Priest River complex
	pCqz(f)	Precambrian	quartzite, high grade	Freeman, quartzite near
	pCsc(r)	Precambrian	schist, high grade	Round Mountain, gneiss near