Skookumchuck Dam
Thurston County
Washington
Analcime
Apophyllite group mineral
Calcite
Chabazite
Heulandite
Laumontite
Mesolite
Mordenite
Okenite
Quartz
Stilbite
Thomsonite
Sources:
Ream, Lanny R.(1991)
Washington Mineral Locality Index
Rocks and Minerals, Vol. 66 No. 4, p. 286-292
