Scouring Sandstone

1 87 x 0.316 = 59.092

0.316

268 46 x 0.002 = 53.692

0.002

259 33 x 0.002 = 51.866

0.002

227 19 x 0.002 = 45.438

0.002

210 47 x 0.002 = 42.094

0.002

208 58 x 0.002 = 41.716

0.002

66 x 0.629 = 41.514

0.629

191 31 x 0.002 = 38.262

0.002

190 48 x 0.002 = 38.096

0.002

0 x 0.002 = 0

0.002

x 0.08 = 0

0.08