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L <br />,..d,,.. <br /> <br />Phases shown 1 <br />in Roman numernls~ <br />Proposed 1998 Revision <br />~i; to Mine Plnn <br />ROBERTS QUARRY <br />woo war <br />.t5 M'+ED <br />Colorado Lien Company ROBERTS QUARRY CO-77-301 Scale as shown <br />Safety & Environmental Office PROPOSED MINING SEQUENCE Drafted by N. Barton, Checked by S. Lien <br />PO Box 767 Refer to Exhibit D 24 Mar 1998 <br />Ra id Ci[•~, SD 57709-0767 605-342-9250 <br />