SOIL PROFILE DESCRIPTIONS (con.) 



Unit 19. — Typic Cryoboroll (fine mixed) 



Parent Material: Silstone, shale conglomerate Landform: Scarp slope 

 Slope: 27 percent, complex, north aspect Erosion: None apparent 



Drainage: Well to moderately well drained Vegetation: Snowberry, canna sage, lupine. 



Elevation: 7,800 ft. geranium, mountain brome, carex, 



tarweed 



Horizon 



Depth 

 (inches) 



Description 



Al 



0-1 V'2 



Reddish brown (SYR 5/4) loam, reddish brown (5YR 5/4) moist; 

 weak coarse platy structure; hard, friable, slightly sticky, slightly 

 plastic; plentiful very fine roots; common coarse tubular and Lew 

 medium tubular pores; neutral (pH 7.0); abrupt smooth boundary. 



A3 



1^2-4 



Reddish brown (2.5YR 4/4) light clay loam, dark reddish brown 

 (2.5YR 3/4) moist; weak coarse platy breaking to moderate medium 

 subangular blocky structure; hard, firm, slightly sticky, slightly 

 plastic; plentiful fine roots; few fine and medium pores; neutral; 

 abrupt smooth boundary. 



noi f 



JDZi t 



/lie; 



Kea ( z.D I rt 4/0 j Clay loam, aarK red ( Z.o i K o/b ) moist, weak coarse 

 prismatic breaking to weak medium subangular blocky structure; 

 hard, firm, sticky, plastic; abundant very fine, plentiful fine, and few 

 medium roots; few fine and coarse interstitial and common medium 

 pores; neutral (pH 7.0); clear wavy boundary. 



B22t 



15-23 



Red (2.5YR 5/6) clay loam, red (2.5YR 4/6) moist; weak medium 



pi lolIlcttlL. Ult:an.lllg LD IllULltrlclLc IlltrUlUIll oUUcUlgUidJ. UlULKy bLrUCLuie, 



hard, firm, slightly sticky, slightly plastic; common thin clay films on 

 ped faces, in pores, and colloid stains on mineral grains; plentiful fine, 

 few very fine and medium roots; common medium interstitial pores; 

 neutral; gradual wavy boundary. 



B23t 



23-40 



Red (10 R 5/6) clay, red (10 R 4/6) moist; moderate fine prismatic 

 breaking to moderate very fine subangular blocky structure; very 

 hard, very firm, very sticky, very plastic; common moderately thick 

 clay films on ped faces and as bridging; plentiful fine and few medium 

 roots; common medium and few fine pores; neutral (pH 7.0); abrupt 

 irregular boundary. 



Bib 



40-55 



Red (lOR 4/6) sandy clay loam, dark red (lOR 3/6) moist; weak medi- 

 um subangular blocky breaking to moderate fine granular structure; 

 few thin clay films as bridging; few fine and medium roots; common 

 fine and few medium pores; 3" thick clay pockets 7"-8" in length as 

 lenses; neutral (pH 7.0); clear irregular boundary. 



(continued) 



35 



