Microsamples and salt tests from Dakota Sandstone

Fragments of limestone of unknown origin

9 limestone fragments of unknown origins.

Biofilm experiments on stone substrate

Fragments of mortars, plaster, finishes, and stone. See schedule in container.

Mortars and plasters collected from floor of Kiva o, 5mv1200. See sample schedule inside.

Samples from Mancos Times Tribune Building

Fragments from Fort El Cañuelo, San Juan, Puerto Rico

Fragments of finishes on wood substrate from multiple rooms at Lynnewood Hall,

Cross sections from both exterior and interior of Ivy Lodge, Germantown

Weathered coupons

Natural calcium carbonate (CaCO3). Coarse <200 µm.