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Opening ID <br />Type of Feature <br />0 0 <br />356 <br />Shaft <br />Excavated Dimension <br />Eroded Dimension <br />Present Dimension <br />Depth <br />Shape of Opening <br />Surficial Material <br />Depth to Bedrock <br />Drainage <br />Existing Access Deterrents <br />Preferred Closure Method <br />5.00 X 8.00 Ft <br />25.00 X 25.00 Ft <br />18.00 X 25.00 Ft <br />Over 200 feet <br />Cone /bell shaped <br />Mine pump <br />More than 15 ft <br />None <br />Fence <br />Panels <br />Install two (2) B -1 (6' X 12') panels, according to the Precast Concrete <br />Closure specifications. <br />Opening ID <br />Type of Feature <br />Excavated Dimension <br />Eroded Dimension <br />Present Dimension <br />Depth <br />Shape of Opening <br />Surficial Material <br />Depth to Bedrock <br />Drainage <br />Existing Access Deterrents <br />Preferred Closure Method <br />357 <br />Adit <br />6.50 X 10.50 Ft <br />6.50 X 10.50 Ft <br />6.50 X 10.50 Ft <br />More than 2000 ft <br />Rectangular <br />Rock, colluvim <br />N/a <br />None <br />Broken portal door /easy access <br />Steel Grated Adit Door <br />Install Adit Door Closure according to specifications <br />installation alternate must be used. <br />Opening ID 358 <br />Type of Feature Prospect Shaft <br />Excavated Dimension <br />3.00 X 6.00 Ft <br />Eroded Dimension <br />20.00 X 20.00 Ft <br />Present Dimension <br />3.00 X 6.00 Ft <br />Depth <br />40 <br />Shape of opening <br />Rectangular <br />Surficial Material <br />Mine dump <br />Depth to Bedrock <br />6' <br />Drainage <br />None <br />Existing Access Deterrents <br />None <br />Preferred Closure Method <br />Backfill <br />Backfill by placing onsite materials back into opening <br />specifications. Riprap is not required. <br />The Rock wall <br />Install monument to <br />3 <br />