As follows: Geological Map of a Part of the State of California Explored in 1855 by Lieut. R. S. Williamson U.S. Top Engr (Washington: War Department, 1856); color-coded (24.5 x 19.25 in.) (Some edge chips; a few small stains; very good condition); Geological Map of Western Wyoming (Washington: U. S. Army, 1874), color-coded (33.5 x 19.5 in.) (Splits along folds, one complete; retains strong color; good condition); Map of a Military Reconnoissance in North Western Wyoming (Washington: U. S. Army, 1874), a variation of the previous geological map, no color (splits along folds, good condition); Map of Oregon Territory by the Best Authorities, 1849, no publisher's information, though likely the federal government (9.5 x 14 in.) (good condition).

The Lifelong Collection of Keith and Caroline Gray, Charlotte, NC. Keith and Caroline Gray were passionate about antiques, art, and history. Together they attended antique shows and auctions for decades – assembling a collection particularly strong on American coin silver, Asian art, historical documents, early images, and English ceramics. Both were longtime supporters of the Mint Museum in Charlotte, with Caroline serving in multiple capacities from docent to a member of the acquisitions board and trustee. Caroline translated her love of material culture into a successful career, becoming a certified property appraiser in Charlotte.