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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />o <br />~ <br />0') <br />Ul <br /> <br />I <br />-41- <br /> <br />w <br /> <br /> <br />ell 50-900 m overburden <br /> <br />~ less than 50 m overburden <br /> <br />I~~~I greater than 900 m over- <br />burden <br /> <br />N <br /> <br /> <br />I <br /> <br />,." <br /> <br />.,.,.. <br />t''i:R.f'::'.,:p''.'{ . 1;,.,,;t:,:~.::;:,:,:===::}~~-;7,,~~=E:7_;',:;\" -'.. <br />. ';;"1 1'';':::1''1:--, ";~.=_-:E:.,~":,,',~,,,,,d.f ".......' <br /> <br />"'!r <br /> <br />Figure 9. Coal deposits in the Upper Colorado River Basin <br />(F1ug et al. 1977). <br />