Fig. 1.

(A) First exhibit rendering based on discussions from the 2002 Smithsonian Institution exhibit workshop; and 2008 “Dig It!” opening (B) state monoliths display, (C) one of the entrances (note the similarity to the first rendering in A), and (D) soil water movement and particle size display. Photos courtesy of the Smithsonian National Museum of Natural History.


Fig. 2.

Soil exhibit and fundraising timeline (SI, Smithsonian Institution; MOU, Memorandum of Understanding ).