Jefferson Georgia Mainstreet in 3D - Pendergrass Store / Craw.Long Mus. The Pendergrass store is an extension of the Crawford W. Long Museum. The 1858 Pendergrass Store building houses a recreated 1840's doctor's office and apothecary shop. Exhibits on making medicine and early treatments focus on the obstacles the early country doctor was forced to overcome. Changing exhibits in the Pendergrass Store offer visitors a unique view into the life of the 19th century citizen.