PERMFILE116933

• Permit No: M1992102
• IBM Index Class Name: Permit File
• Doc Date: 10/5/1992
• Doc Name: 110[2] LIMITED IMPACT APPLICATION SOUTH D-20 PIT
• Media Type: D
• Archive: No

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' Mesa Clay Loam
Representative Profile
' Al - 0 to 4 inches, loam; pinkish-gray (7.SYR 6/2) dry, brown or
dark brown (7.SYR 4/2) moist; moderate to strong, fine,
' granular structure; maid w en dry, very friable when moist;
noncalcareous; pH 7.6; cle~- ar, smooth boundar- y ~- - -
' B2t - 4 to 12 inches, a loam• light brown (7.SYR 6/3) dry,
brown or dark brown (7.SYR 4/3) moist; moderate, fine,
prismatic struct~ure_breaking to moderate to strong, fine
' subangulai blocky; hard when-dry, very friab e w en is
thin, nearly continuous clay films; 5 to 10 percent grav
noncalcareous; pH 7.4; clear, smooth boundary.
' Baca - 12 to 16 inches, pink (7.SYR 7/4) dry, brown (7.SYR 5/4)
moist; weak, medium, prismatic structure breaking to weak,
medium, subangular blocky; hard when dry, very friable when
' moist; few thin, patchy clay films; 5 to 10 percent gravel;
weak accumulation of secondary calcium carbonate
concretions; calcareous; pH 8.0; gradual, smooth boundary.
' Clca - 16 to 32 inches, gravelly clay loam; very pale brown (lOYR
8/3) dry, very pale brown (lOYR 7/3) moist; massive; hard
when dry, friable when moist; strong accumulation of
' secondary calcium carbonate in finely divided forms; 40
percent gravel; calcareous; pH 8.2; gradual, smooth
boundary.
' C2ca - 32 to 60 inches, very gravelly clay loam; very pale brown
(lOYR 7/4) dry, light yellowish brown (lOYR 6/4) moist;
massive; hard when dry, friable when moist; moderate to
' strong accumulation of secondary calcium carbonate occurring
as concretions and as coatings on the underside of rocks; 60
percent gravel; grades downward to gravel and sand at a
' depth below 60 inches; calcareous; pH 8.2.
' Source: SCS Soil Survey, Delta-Montrose Area, 1967.

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