Elk Mountain
Woodland
Cowlitz County
Washington
Analcime
Apophyllite
Calcite
Epistilbite
Laumontite
Levyne
Mesolite
Offretite
Quartz
Scolecite
Stilbite
Sources:
Ream, Lanny R.(1991)
Washington Mineral Locality Index
Rocks and Minerals, Vol. 66 No. 4, p. 286-292
Tschernich, Rudy (1991)
Zeolites of Washington State
Rocks and Minerals, Vol. 66 No. 4, p. 302-309
