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• <br />TABLE OF CONTENTS <br />Narrative <br />Introduction .................................................... 2 <br />Topography and Vegetation ........................................ 2 <br />Geology ....................................................... 2 <br />Mine Production and Design ....................................... 3 <br />Projected Mining for 2000 ......................................... 3 <br />Surfacelnspection ............................................... 3 <br />Subsidence Surveys ............................................. 4 <br />Table 1 -Subsidence Monitoring Survey Data Comparison ............... 4 <br />Minimizing Subsidence ........................................... 4 <br />• Conclusions .................................................... 4 <br />Subsidence Survey Results <br />August 30, 1999 Survey ........................................... 5 <br />November 23, 1999 Survey ........................................ 6 <br />Photographic Field Review of Jerry Creek Canyon ......................... 7-11 <br />Attachment <br />Roadside North Portal - 1999 Annual Subsidence Survey <br /> <br />