DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY …and J. C. Reed Goo 900 ..:õÞã.. z-EŒz GOLDEN...
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DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY …and J. C. Reed Goo 900 ..:õÞã.. z-EŒz GOLDEN ISOMETRIC LEVEL 300' 200' 30ô' 290 ' 300' /00' 200' /00' Scale approxi mate BULLETIN