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` L~ EXHIBIT 1 <br />SURFICIAL ~1AP UNITS <br />CIRUELA CANYON REFUSE SITE <br />of Artificial Fill: Disturbed, man-made deposits of fill material, mine waste, and <br />diversion embankment material. Terrace gravels occasionally utilized =_s road <br />fill material giving false impression of alluvium where adjacent to drainage. <br />Qpal Purgatoire River Alluvium: Recent alluvium of well-sorted, well-stratified <br />water bearing gravels; clast composition reflects Culebra Range source terrain <br />with subordinate input from the Cretaceous-Tertiary coal bearing section; meets <br />alluvial valley floor criteria. <br />T Qal Alluvium: Thin (0-LS') veneer of soil and water-laid matrix-rich gravels; poor to <br />+` fair sorting, poor to moderately well developed stratification; clasts <br />predominantly subangular to subrounded sandstone fragments with occasional <br />reworked rounded terrace gravel material included downstream from terrace <br />deposits. <br />Qc Colluvium: Downslope gravity deposits of poorly sorted, nonstratified to poorly <br />j stratified material; composed of angular bedrock fragments in a clay-rich soil <br />matrix; contains remobilized terrace gravel material where downslope from <br />• terrace deposits; contacts approximately located. <br />Qt,Qtl Terrace Gravels: Present as benches overlooking waste disposal site; composed <br />of well-sorted, well-stratified rounded granule to cobble sized clasts in a well- <br />cemented medium-coarse sand matrix; clasts are composed of granite, granite <br />j gneiss and pegmatite, arkose, crinoidal limestone, and a wide variety of felsic <br />' igneous and metamorphic rocks reflecting the Culebra Range source terrain; <br />characterized by well-defined imbricate texiure; Qtl reflects lower, more <br />recent terrace deposits. <br />i <br />br Bedrock: Raton Formation undifferentiated; gray carbonaceous mudstone, fine <br />to medium grained sandstone, local coal and carbonaceous shale; lithologies vary <br />rapidly laterally and vertically. <br />~r <br />