Panel Development Summary

• 3 Entries on either side of Longwall Development.

• Entry dimension 8.8’ high x 16’ wide x (length variable)

• borer miner produces 8.4 tons trona/ft.

• shuttle car capacity 18 ton (at 88 lb./ft3)

• 1806 tons trona/shift

• 225.8 tons/ hour

• 47 panels developed during life of mine.

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