Quartzite

Quartzite rock is a hard, non-foliated metamorphic rock which was originally pure quartz sandstone and is found in Eastern South Dakota amongst other places throughout the United States.

201 – 1” x #4
202 – 1/2” x #4
210 – 2 1/2″ x 3/4″ Ballast
213 – 1 1/2″ x 3/4″
216 – Modified Sub Base
221 – 3/4″ x #4
230 – 3/8″ Washed Chips
231 – 3/8” Modified Chips
232 – #4 x #20
235 – Manufactured Sand
239 – Airport Base Course
240 – -1/4” Twr 3
243 – ¾” x 5/8” Twr 3
244 – Quartzite Gravel
248 – 5/8” x 3/8” Twr 3
250 – Surge
285 – Class A Rip Rap
286 – Class B Rip Rap
287 – Class C Rip Rap
288 – Class D Rip Rap
258 – 3 1/2″ Down