REV105504

• Permit No: M1980245
• IBM Index Class Name: Revision
• Doc Date: 6/14/1983
• Doc Name: AMENDMENT TO THE HOGBACK MINE TITLE 80-245
• From: ROBINSON BRICK CO
• To: MLRD
• Type & Sequence: HR1
• Media Type: D
• Archive: No

MINING TIMETABLE
'fhe following timetable is based on the best projected estimate of
future demand. Any economic change from the norm can, and will,
radically change all of the timetable estimates.
STAGE YEARS TOTAL ACRES EST. YD. CLAY
1 2-5 25.10 40,400
2 2-4 3.31 23,000
3 2-4 3.31 23,000
4 2-4 3.25 23,000
5 2-4 3.14 23,000
6 2-4 2.76 23,000
7 2-4 11.90 23,000
8 2-4 1.95 23,000
9 2-4 1.42 23,000
10 2 1.82 17,200
Road 7.95 8,600
20-39 65.91 250,200