Altoona, Pa. [1922]. maps : col. ; on sheets 65 x 55 cm. July 1922""; Oriented with north to the upper right; Set follow standard Sanborn color-coded key; Title taken from upper left corner of sheet 3; ""5293""; Maps Library has duplicate copies of sheets 3, 30, and 32; Maps Library copy is incomplete and is encapsulated. Scale approximately 1:600. 50 ft. to an in.