Specifications include, but are not limited to: 1.1. Markers shall be of the design similar to the South Dakota Pattern design as shown on the website of Sewah Studios www.sewahstudios.com , 190 Millcreek Road, PO Box 298, Marietta, Ohio 45750 Telephone: (740)373-2087). 1.2. Markers shall be of controlled formula aluminum alloy (Alcoa #43) or equal. 1.3. Markers shall be 30” high and 42” wide as to the basic lettering panel. The addition of buttress rails and ornament cast integrally with the marker makes an overall size of 41-3/8” high by 45-5/8” wide. Additional wing cap adds 7- 1/2” to height. 1.4. Marker rail shall be at least 7/8” thick after milling, and shall extend around the main panel. At approximately 2/3 the height of the main panel, the rail shall be widened about ¾”, thus creating a buttress effect and giving the adequate strength to the marker. These buttress rails shall show proper reveals to give architectural beauty. The outside rail shall be milled to a smooth finish and the body of the marker shall be a leatherette texture.