| Book | Page | Context |
|---|---|---|
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MAIN SHAFT 78 B C 400 W X9 YJ YR YW 1893971 1 31 30 MAIN SHAFT 79 A 196 W A T 1975771 1 34 15 MAIN SHAFT |
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MAIN SHAFT 80 A B 301W EXC PERF OPT W72 1893971 1 31 30 MAIN SHAFT 80 A B E 231 3 W CALIF 1976930 1 29 05 MAIN SHAFT 80 A B H 231A |