In image at lower left: SAN. LUIS. VALLEY. PURE. SEED. SHOW. ALAMOSA. COLO/ NOV. 1928; In image at lower right: 507. HUME; In pencil on the back of the image: 52 varieties of potatoes
In ink at the bottom on the back of the image: No 1 Alamosa, Colo./ Main and State; In pencil at top left on the back of the image: Looking south on corner of State and Main. Photographer unknown