PERMFILE68700

• Permit No: C1981008A
• IBM Index Class Name: Permit File
• Doc Date: 7/30/2007
• Doc Name: Taxonomic Unit Descriptions
• Section_Exhibit Name: Section 2.04.9 Attachment 2.04.9-3
• Media Type: D
• Archive: Yes

• BARX SERIES
LOCATION BARX UT+AZ, CO
Established Series
Rev. DTH/JWHNVWJ
6197
The Barx series consists of very deep, well drained soils that formed in alluvium and reworked eolian material
derived from sandstone. Banc soils are on alluvial fans, terraces, hills, and mesas. Slopes range from 0 to 15
percent. Mean annual precipitation is about 11 inches and the mean annual temperature is about 49 degrees F.
TAXONOMIC CLASS: Fine-loamy, mixed, superadive, mesic Ustic Calciargids
TYPICAL PEDON: Barx very fine sandy loam, on rangeland. (Colors are for dry sot unless othervvise noted.)
A-0 to 3 inches; reddish brown (5YR 5/4) veryfine sandy loam, reddish brown (5YR 4/4) moist; weak medium platy
structure; soft, friable; common very fine and fine roots; few very fine tubular pores; moderately alkaline (pH 8.0);
Gear smooth boundary. (2 to 4 inches thick}
AB-3 to 9 inches; reddish brown (5YR 5/4) fine sandy loam, reddish brown (5YR 4/4) moist; moderate medium
subangular blocky structure; slightly hard, friable, slightly sticky and slightly plastic; common very fine and fine, few
medium roots; common very fine and fine tubular pores; moderately alkaline (pH 8.0); clear smooth boundary. (0
• to 7 inches thick)
Bt1-9 to 15 inches; reddish brown (5YR 5/4) sandy day loam, reddish brown (5YR 4/4) moist; moderate coarse
subangular blocky structure; hard, firm, moderately stidry and moderately plastic; common very fine and fine, and
few medium roots; common very fine and fine, and few medium tubular pores; common distinct Gayfilms on faces
of peels; moderately alkaline (pH 8.0); Gear smooth boundary. (6 to 16 inches thick)
Bt2-15 to 23 inches; reddish yellow (5YR 6/6) sandy day loam, yellowish red (5YR 416) moist; moderate coarse
subangular blocky structure; hard, firm, moderately sticky and moderately plastic; common veryfine and fine roots;
few medium tubular pores; many distinct clay films on faces of peels; moderately alkaline (pH 8.0); Gear smooth
boundary. (6 to 12 inches thick)
Btk-23 to 36 inches; reddish yellowish (5YR 6/6) sandyday loam, yellowish red (5YR4/6) moist; moderate medium
subangular blocky structure; hard, firm, moderately stickyand moderately plastic; common veryfine and fine roots;
common very fine and fine tubular pores; few distinct Gay films on faces of peels; strongly effervescent; carbonates
segregated in filaments; moderately alkaline (pH 8.2); abrupt wavy boundary. (0 to 14 inches thick)
Bk1-36 to 47 inches; pink (5YR 7/4) sandy day loam, yellowish red (5YR Sl6) moist; massive; hard, friable,
moderately sticky and moderately plastic; few very fine and fine roots; common very fine and fine tubular pores;
violently effervescent; carbonates in veins; strongly alkaline (pH 8.6); Gear wavy boundary. (10 to 36 inches thick)
Bk2-~7 to 55 inches; reddish yellow (5YR 616) sandy Gay loam, yellowish red (5YR 4/6) moist; massive; hard,
friable, slightly sticky and slightly plastic; few fine roots; common very fine and fine tubular pores; strongly
•
(Revised March 2006) Attachment 2.04.9-3-2 .