dryfj.com / drycyclist.com (kevin cook)

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08991-upper-tunnel-550px.jpg Just inside the upper mine tunnel is another signature from "Merle Young 74"ThumbnailsOne of the support beams in the ceiling of the upper tunnel has crackedJust inside the upper mine tunnel is another signature from "Merle Young 74"ThumbnailsOne of the support beams in the ceiling of the upper tunnel has crackedJust inside the upper mine tunnel is another signature from "Merle Young 74"ThumbnailsOne of the support beams in the ceiling of the upper tunnel has crackedJust inside the upper mine tunnel is another signature from "Merle Young 74"ThumbnailsOne of the support beams in the ceiling of the upper tunnel has crackedJust inside the upper mine tunnel is another signature from "Merle Young 74"ThumbnailsOne of the support beams in the ceiling of the upper tunnel has cracked

It leads to a shaft with a ladder that presumably drops down to the lower tunnel; I didn't check to see where it goes.