Petrified wood of species Sequoia affinis.
Cross sections from Spruce Tree, MEVE
Abrasive blasting media for IBIX machine. 200-250 mesh.
Sandstone fragments and analysis samples for Bethesda Terrace
Gilding samples; distemper samples
Preliminary tests of acid stains on concrete from Jackson Lake Lodge.
Mechanical pinning on marble cubes.
Coupons with painted finishes
Fragments of soils and mortars
Raw granite
