Soil Survey of Grayson County, Texas Page: 60
vii, 141 p., 75 fold. p. of plates : ill., maps ; 29 cm.View a full description of this book.
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SOIL SURVEY
this horizon is platy in the upper few inches and is
massive below.
Gasil series
The Gasil series consists of deep, sandy soils on up-
lands. These soils formed in loamy material interbedded
with sandstone. Slope ranges from 1 to 8 percent.
Typical pedon of Gasil loamy fine sand, 1 to 5 percent
slopes; from the intersection of Farm Road 901 and U.S.
Highway 377 north of Whitesboro, 6.8 miles west and
north on Farm Road 901, 0.85 mile east on county road
and 100 feet south, in a field:
Ap-0 to 5 inches; brown (10YR 5/3) loamy fine sand,
dark brown (10YR 3/3) moist; weak medium granu-
lar structure; loose, very friable; common fine roots;
medium acid; abrupt smooth boundary.
A2-5 to 10 inches; yellowish brown (10YR 5/4) loamy
fine sand, dark yellowish brown (10YR 4/4) moist;
weak medium granular structure; loose, very friable;
few fine roots; slightly acid; clear smooth boundary.
B21t-10 to 22 inches; strong brown (7.5YR 5/6) sandy
clay loam, strong brown (7.5YR 5/6) moist; moder-
ate medium subangular blocky structure; hard, fri-
able; few fine roots; medium acid; gradual smooth
boundary.
B22t-22 to 33 inches; brownish yellow (10YR 6/6)
sandy clay loam, yellowish brown (10YR 5/6) moist;
moderate medium subangular blocky structure; hard,
friable; few fine roots; strongly acid; gradual smooth
boundary.
B23t-33 to 45 inches; reddish yellow (7.5YR 6/6) sandy
clay loam, strong brown (7.5YR 5/8) moist; few fine
faint yellowish red mottles; moderate medium suban-
gular blocky structure; hard, friable; few fine roots;
strongly acid; gradual smooth boundary.
B24t-45 to 56 inches; brownish yellow (10YR 6/8)
sandy clay loam; yellowish brown (10YR 5/8) moist;
common coarse distinct red (2.5YR 4/6) mottles;
weak medium subangular blocky structure; hard, fri-
able; few fine roots; strongly acid; gradual smooth
boundary.
B25t-56 to 66 inches; reddish yellow (7.5YR 6/6) sandy
clay loam, strong brown (7.5YR 5/6) moist; common
coarse prominent red (2.5YR 5/6) mottles; weak
medium subangular blocky structure; hard, friable;
few fine roots; few pockets of uncoated sand grains;
strongly acid.
The solum ranges from 60 to more than 80 inches in
thickness. Small fragments of sandstone and ironstone
make up 0 to 5 percent, by volume, of the solum.
The A horizon is brown, dark yellowish brown, yellow-
ish brown, pale brown, or light yellowish brown. It is fine
sandy loam or loamy fine sand that is slightly acid
through mildly alkaline. An A2 horizon 1 to 5 inches thick
is in some pedons. If present, the A2 horizon is slightly
lighter in color than the Al horizon.The Bt horizon is yellowish brown, brownish yellow,
yellow, strong brown, or reddish yellow. The lower part
of the Bt horizon has few to common contrasting mottles
of strong brown, yellowish red, and red. This horizon is
sandy clay loam or fine sandy loam and has 18 to 30
percent clay. It is strongly acid through slightly acid.
Heaton series
The Heaton series consists of deep, sandy soils on
uplands. These soils formed in sandy and loamy materi-
al. Slope ranges from 1 to 5 percent.
Typical pedon of Heaton loamy fine sand, 1 to 5 per-
cent slopes; from the intersection of Farm Roads 120
and 1753 at east edge of Denison, 0.9 mile southeast on
Farm Road 1753, 0.6 mile south and 0.75 mile east on
county road and 30 feet south, in idle pasture:
A1-0 to 8 inches; yellowish brown (10YR 5/4) loamy
fine sand, dark yellowish brown (10YR 3/4) moist;
weak medium granular structure; loose, very friable;
common fine roots; neutral; clear smooth boundary.
A2-8 to 28 inches; light brown (7.5YR 6/4) loamy fine
sand, brown (7.5YR 4/4) moist; weak medium
granular structure; loose, very friable; few fine roots;
neutral; clear smooth boundary.
B21t-28 to 41 inches; yellowish red (5YR 5/6) sandy
clay loam, yellowish red (5YR 4/6) moist; moderate
medium subangular blocky structure; hard, friable;
few fine roots; medium acid; gradual smooth bound-
ary.
B22t-41 to 53 inches; yellowish red (5YR 5/8) sandy
clay loam, yellowish red (5YR 4/8) moist; moderate
medium subangular blocky structure, hard, friable;
few fine roots; medium acid; gradual smooth bound-
ary.
B23t-53 to 65 inches; reddish yellow (7.5YR 6/6) sandy
clay loam, strong brown (7.5YR 5/6) moist; weak
medium subangular blocky structure; hard, friable;
few fine roots; few black concretions; medium acid.
The solum ranges from 60 to more than 100 inches in
thickness. It is medium acid through neutral throughout.
The A horizon is light yellowish brown, yellowish
brown, brown, light brown, pink, very pale brown, or pale
brown.
The Bt horizon is yellowish red, red, reddish brown, or
reddish yellow. In some pedons this horizon has a few
mottles in shades of brown and yellow.
Heiden series
The Heiden series consists of deep, clayey soils on
uplands. These soils formed in clayey marine sediment.
Slope ranges from 1 to 5 percent.
Typical pedon of Heiden clay, 1 to 3 percent slopes;
from the intersection of U.S Highways 377 and 82 at
Whitesboro, 2.7 miles east on U.S. Highway 82, 0.8 mile60
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General Soil Map, Grayson County, Texas (Map)
Map displays soil types along with creeks, towns, schools, churches, power transmission lines, oil and gas pipelines, roads, and railroads. Includes legend and symbols. Scale 1:253,400
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Cochran, Rex; Cail, Charles & Putnam, Lee. Soil Survey of Grayson County, Texas, book, 1980; Washington D.C.. (https://texashistory.unt.edu/ark:/67531/metapth130218/m1/70/: accessed May 21, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.