2009-01-15_REPORT - C1980007 (8)

Home Browse Search

Fall 2008 Subsidence and Geologic Field Observations Box Canyon, Apache Rocks, and South of Divide Mining Areas . 2004c. Exhibit 60D: 2004 Geologic Hazard Field Observations for the South of Divide Mining Area. Glenwood Springs, CO: Wright Water Engineers, Inc. 2005. 2005 Subsidence and Geologic Field Observations Box Canyon, West Flatiron, Apache Rocks, and South of Divide Mining Areas. Glenwood Springs, CO: Wright Water Engineers, Inc. . 2006. 2006 Subsidence and Geologic Field Observations Box Canyon, West Flatiron, Apache Rocks, and South of Divide Mining Areas. Glenwood Springs, CO: Wright Water Engineers, Inc. Dunrud, C. Richard, et al. 1996. Exhibit 60A: Subsidence Evaluation of the Revised Mine Panel Layouts in Section 21 and Sections 26 and 27. Denver, CO: Wright Water Engineers, Inc. . 1998 rev. Exhibit 60: Subsidence Evaluation for the Apache Rock Mining Area and Box Canyon Lease Tract. Denver, CO: Wright Water Engineers, Inc. • 2006 rev. Exhibit 60B: Subsidence Evaluation for the South of Divide Mining Area. Glenwood Springs, CO: Wright Water Engineers, Inc. Dunrud, C. R. and F. W. Osterwald. 1980. Effects of Coal Mine Subsidence in the Sheridan, Wyoming Area. U.S. Geological Survey Professional Paper 1164. Denver, CO: U.S. Geological Survey. Dunrud, C. R. and G. D. Witt. 2007a. Spring 2007 Subsidence and Geologic Field Observations Box Canyon, West Flatiron, Apache Rocks, and South of Divide Mining Areas. Denver, CO: Wright Water Engineers, Inc. 2007b. Fall 2007 Subsidence and Geologic Field Observations Box Canyon, West Flatiron, Apache Rocks, and South of Divide Mining Areas. Denver, CO: Wright Water Engineers, Inc. Liu, T. Q. 1981. Surface Movements Overburden Failure and its Application. Co, China: Coal Industry Publishing. (in Chinese). • 831-032.790 December 2008 Wright Water Engineers, Inc. Page 68