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	wtr	---	water	---
	Qa	Holocene	alluvium	---
	Qd	Holocene	dune sand	---
	Qls	Holocene	mass-wasting deposits, mostly landslides	---
	Qfg	Pleistocene	outburst flood deposits, gravel, late Wisconsin	Missoula, glacial Lake, deposits of
	Qfs	Pleistocene	outburst flood deposits, sand and silt, 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(n)	Pleistocene	glaciolacustrine deposits, Fraser-age	Nespelem Silt
	Qgo	Pleistocene	continental glacial outwash, Fraser-age	mostly Vashon Stade in western WA; unnamed in eastern WA
	Qgo	Pleistocene	continental glacial outwash, Fraser-age	mostly Vashon Stade in western WA; unnamed in eastern WA
	Qgt	Pleistocene	continental glacial till, Fraser-age	mostly Vashon Stade in western WA; unnamed in eastern WA
	Mc	Miocene	continental sedimentary deposits or rocks	---
	Mv(gN2)	Miocene, middle	basalt flows	Grande Ronde Basalt, N2 (upper flows of norm.mag.pol.)
	Mv(gR2)	Miocene, middle	basalt flows	Grande Ronde Basalt, R2 (upper flows of rev.mag.pol.)
	Mv(wpr)	Miocene, middle	basalt flows	Priest Rapids Member, Wanapum Basalt
	Mv(wr)	Miocene, middle	basalt flows	Roza Member, Wanapum Basalt
	Eian	Eocene	intrusive andesite	---
	Eib	Eocene	basic intrusive rocks	---
	Eid	Eocene	diorite	---
	Eid(l)	Eocene	diorite	Little Moses Mountain, diorite of
	Eida	Eocene	intrusive dacite	---
	Eida(c)	Eocene	intrusive dacite	Cody Lake, hypabyssal intrusive suite of
	Eida(g)	Eocene	intrusive dacite	Goat Mountain, porphyry dike swarm of
	Eig(s)	Eocene	granite	Stepstone Creek, varied granite near
	Eigd(cm)	Eocene	granodiorite	Cooper Mountain batholith, main phase
	Eigd(n)	Eocene	granodiorite	Noname stock
	Eii(g)	Eocene	intermediate intrusive rocks	Grant Lake, intrusive complex N of
	Eimd(s)	Eocene	monzodiorite	Swimptkin Creek pluton
	Evc	Eocene	volcaniclastic deposits or rocks	---
	Evd	Eocene	dacite flows	---
	Evd(s)	Eocene	dacite flows	Sanpoil Volcanics
	EPAia(cc)	Eocene-Paleocene	acidic intrusive rocks	Coyote Creek pluton
	EPAia(mw)	Eocene-Paleocene	acidic intrusive rocks	Moses pluton, Whitelaw phase
	EPAig(a)	Eocene-Paleocene	granite	Armstrong Mountain, granite west of
	EPAig(cc)	Eocene-Paleocene	granite	Coyote Creek, porphyritic granite of
	EPAig(cs)	Eocene-Paleocene	granite	Condon Spring, granite porphyry of
	EPAig(m)	Eocene-Paleocene	granite	Moses pluton, main phase
	EPAig(mcc)	Eocene-Paleocene	granite	Moses pluton, Clark Creek phase
	EPAigd(mc)	Eocene-Paleocene	granodiorite	Manila Creek, porphyritic granodiorite of
	EPAigd(o)	Eocene-Paleocene	granodiorite	Omak Lake, porphyritic granodiorite of
	TKigd(v)	Tertiary-Cretaceous	granodiorite	Victor Spring, granodiorite near
	pTam(t)	pre-Tertiary	amphibolite	Tonasket Gneiss
	pTbg(t)	pre-Tertiary	banded gneiss	Tonasket Gneiss
	pTog(c)	pre-Tertiary	orthogneiss	Crawfish Lake, tonalite gneiss of
	pTog(f)	pre-Tertiary	orthogneiss	French Valley, gneissic granodiorite of
	pTog(m)	pre-Tertiary	orthogneiss	Mission Creek, gneissic granodiorite of
	Kia(cl)	Cretaceous	acidic intrusive rocks	Cook Lake, porphyritic granite and granodiorite of
	Kia(e)	Cretaceous	acidic intrusive rocks	Evans Lake pluton
	Kia(v)	Cretaceous	acidic intrusive rocks	Virginia Lake, equigranular granite of
	Kig(f)	Cretaceous	granite	Felix Creek, granite of
	Kig(v)	Cretaceous	granite	Virginia Lake,equigranular granite of
	Kigd(c)	Cretaceous	granodiorite	Conconully, granodiorite of, main phase
	Kigd(cm)	Cretaceous	granodiorite	Conconully, granodiorite of, Mineral Hill phase
	Kigd(cr)	Cretaceous	granodiorite	Conconully, granodiorite of, Ritchie Ridge phase
	Kigd(g)	Cretaceous	granodiorite	Gaviota Bend, granodiorite near
	Kigd(sl)	Cretaceous	granodiorite	Soap Lake Mountain, granodiorite of
	Kiqm(l)	Cretaceous	quartz monzonite	Leader Lake, quartz monzonite of
	Kiqm(p)	Cretaceous	quartz monzonite	Pogue Mountain, quartz monzonite of
	KJid(i)	Cretaceous-Jurassic	diorite	Indian Dan Canyon, diorite near
	KJigb(r)	Cretaceous-Jurassic	gabbro	Red Shirt gabbro
	KJigd(br)	Cretaceous-Jurassic	granodiorite	Brewster, granodiorite near
	KJigd(m)	Cretaceous-Jurassic	granodiorite	Bridgeport, megacrystic granodiorite of
	KJit(s)	Cretaceous-Jurassic	tonalite	Summit-Frazer complex
	KJmg(a)	Cretaceous-Jurassic	migmatite	Alta Lake, migmatite of
	KJmg(sf)	Cretaceous-Jurassic	migmatite	Summit-Frazer complex
	KJmi(b)	Cretaceous-Jurassic	mixed metamorphic and igneous rocks	Boot Mountain, plutonic complex of
	KJmi(bm)	Cretaceous-Jurassic	mixed metamorphic and igneous rocks	Buck Mountain, mixed metamorphic and igneous rocks of
	KJmi(lc)	Cretaceous-Jurassic	mixed metamorphic and igneous rocks	Lightning Creek, mixed metamorphic and igneous rocks of
	KJmi(s)	Cretaceous-Jurassic	mixed metamorphic and igneous rocks	Summit-Frazer complex
	KJmi(w)	Cretaceous-Jurassic	mixed metamorphic and igneous rocks	Wakefield, orthogneiss near
	KJog(c)	Cretaceous-Jurassic	orthogneiss	Coyote Ridge, quartz diorite gneiss of
	KJog(g)	Cretaceous-Jurassic	orthogneiss	Summit-Fraser complex, garnetiferous granitic gneiss of
	KJog(gm)	Cretaceous-Jurassic	orthogneiss	Granite Mountain, granodiorite gneiss near
	KJog(m)	Cretaceous-Jurassic	orthogneiss	Malott, quartz diorite gneiss near
	KJog(s)	Cretaceous-Jurassic	orthogneiss	Summit-Frazer complex
	pKam(f)	pre-Cretaceous	amphibolite	Finley Canyon, amphibolite near
	pKcs(b)	pre-Cretaceous	calc-silicate rock	Brown Lake, calc-silicate rocks near
	pKhm(a)	pre-Cretaceous	heterogeneous metamorphic rocks	Alta Lake, amphibolite, schist, and gneiss of
	pKhm(l)	pre-Cretaceous	heterogeneous metamorphic rocks	Leecher Metamorphics
	pKog(m)	pre-Cretaceous	orthogneiss	Methow Gneiss
	pJhm(b)	pre-Jurassic	heterogeneous metamorphic rocks	Boot Mountain, plutonic complex of
	pJhm(s)	pre-Jurassic	heterogeneous metamorphic rocks	Salmon Creek, schists and gneisses of
	pJhm(t)	pre-Jurassic	heterogeneous metamorphic rocks	Trefry Canyon, heterogeneous metamorphic rocks of
	pJmb(s)	pre-Jurassic	marble	Salmon Creek, schists and gneisses of
	pJqz(s)	pre-Jurassic	quartzite, high grade	Salmon Creek, schists and gneisses of
	pJtz	pre-Jurassic	tectonic zone	---
	TRcb(c)	Triassic	metacarbonate	Cave Mountain Formation
	TRmm(c)	Triassic	marine metasedimentary rocks	Cave Mountain Formation
	TRmm(cx)	Triassic	marine metasedimentary rocks	Conconully, metamorphic complex of
	TRmv(c)	Triassic	metavolcanic rocks	Cave Mountain Formation
	MZigb(d)	Mesozoic	gabbro	Darling Lake, gabbro of
	MZog(l)	Mesozoic	orthogneiss	Leader Mountain, granodioritic gneiss of
	MZog(r)	Mesozoic	orthogneiss	Reed Creek, quartz dioritic orthogneiss of
	MZog(w)	Mesozoic	orthogneiss	Windy Hill, quartz dioritic orthogneiss of
	MZPZu	Mesozoic-Paleozoic	ultrabasic rocks	---
	PZhm(c)	Paleozoic	heterogeneous metamorphic rocks	Crawfish Lake, heterogeneous metamorphic rocks near
	PZhm(p)	Paleozoic	heterogeneous metamorphic rocks	Parmenter Creek, heterogeneous metamorphic rocks near