Soil Survey of Runnels County, Texas Page: 5
[2] 62 [2] p., 73 folded p. of plates : ill., maps (some col.) ; 28 cm.View a full description of this book.
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RUNNELS COUNTY, TEXAS
mapping unit, it is necessary to read the description
of the soil series as well as the description of the map-
ping unit. Unless otherwise indicated, the colors speci-
fled are for dry soil. In the description of each map-
ping unit are suggestions on management.
Following the name of each mapping unit is a symbol
in parentheses. This symbol identifies the mapping unit
on the detailed soil map. Listed at the end of the descrip-
tion of each mapping unit are the capability unit and
range site in which the mapping unit has been placed.
The page on which each range site is described can be
found readily by referring to the "Guide to Mapping
Units" at the back of this survey.
Many terms used in the soil descriptions and other
sections of the survey are defined in the Glossary.
TABLE 1.-Approximate acreage and proportionate extent of
soilsSoil
Acuff loam, 0 to 1 percent slopes- -
Acuff loam, 1 to 3 percent slopes_ .. .
Cobb-Latom complex__
Cobb-Winters fine sandy loams, 0 to 1 percent
slopes_. .__
Cobb-Winters fine sandy loams, 1 to 3 percent
slopes_
Cobb-Winters fine sandy loams, 3 to 5 percent
slopes_
Colorado and Yahola soils_
Karnes soils, 3 to 8 percent slopes_
Kavett silty clay, 0 to 1 percent slopes ....
Kavett silty clay, 1 to 3 percent slopes ....
Lipan clay__
Mereta clay loam, 0 to 1 percent slopes-........
Mereta clay loam, 1 to 3 percent slopes...
Miles fine sandy loam, 0 to 1 percent slopes -
Miles fine sandy loam, 1 to 3 percent slopes ..
Miles loamy fine sand, 0 to 3 percent slopes ...
Olton clay loam, 0 to 1 percent slopes .....
Olton clay loam, 1 to 3 percent slopes ._...
Portales clay loam, 0 to 1 percent slopes ...
Portales clay loam, 1 to 3 percent slopes ---
Potter soils_
Rough stony land
Rowena and Tobosa soils, 0 to 1 percent slopes
Rowena and Tobosa soils, 1 to 3 percent slopes_-
Spur loam-
Stamford clay, 0 to 1 percent slopes__
Stamford clay, 1 to 3 percent slopes___
Talpa-Kavett complex_
Tarrant stony clay, 0 to 8 percent slopes ...
Tarrant stony clay, 8 to 30 percent slopes --
Tivoli fine sand____
Tivoli-Brownfield fine sands_.
Tobosa clay, 0 to 1 percent slopes _ _ _
Tobosa clay, 1 to 3 percent slopes____
Valera silty clay, 0 to 1 percent slopes
Valera silty clay, 1 to 3 percent slopes __...
Vernon-Badland complex_____________
Weymouth clay loam, 1 to 3 percent slopes ..
Winters fine sandy loam, 0 to 1 percent slopes --
Winters fine sandy loam, 1 to 3 percent slopes -
Winters fine sandy loam, 1 to 3 percent slopes,
eroded_
Yahola fine sandy loam_
Water_-
Total- - --Area
Acres
18, 030
7, 080
1. 200
500
2, 300
710
23, 180
2, 970
2, 170
10, 960
3, 880
12, 380
55, 610
3, 970
6, 420
2, 060
26, 600
17, 200
54, 430
58, 300
64, 260
2, 810
59, 740
32, 450
21, 300
1,530
4 000
69, 480
2, 740
930
1, 010
3, 000
52, 560
7, 130
7, 070
12, 240
13, 690
3, 160
1, 370
1, 970
2, 860
1, 290
1, 860
678, 400Extent
Percent
2.7
1. O0
.2
.1
.3
.1
3.4
.4
.3
1.6
.6
1 .8
8.2
.6
1.0
.3
3.9
2. 6
8.0
8.6
9. 5
.4
8.8
4.8
3. 1
.2
.6
10. 2
.4
.1
.2
.4
7.8
1. 1
1. 0
1.8
2.0
.5
.2
.3
.4
.2
.3
100. 0Acuff Series
The Acuff series consists of deep, nearly level to gently
sloping soils along streams. These soils are noncalcareous
to a depth of about 24 inches but have prominent ac-
cumulations of calcium carbonate below this depth.
They developed in plains outwash or in old stream al-
luvium.
In a typical profile the surface layer is dark-browni
loam about 12 inches thick. The subsoil is reddish-brown
sandy clay loam. It extends to a depth of about 38 inches.
Below this is an 18-inch layer of pink sandy clay loam
that is about 50 percent lime. The lime has accumulated
as concretions and soft masses.
Acuff soils have moderate permeability and a moder-
ate to high capacity for holding water and plant nutri-
ents.
A typical profile of Acuff loam, 0 to 1 percent
slopes, is 100 feet east of U.S. Highway 83 from a point
2 miles south of Winters on that highway.
Ap-0 to 12 inches, dark-brown (7.5YR 4/3) loam, dark
brown (7.5YR 3/2) when moist; weak, granular and
subangular blocky structure; friable when moist;
slightly hard when dry; thin surface crust; non
calcareous; moderately alkaline; gradual boundary.
B21t-12 to 24 inches, reddish-brown (5YR 4/3), heavy
sandy clay loam, dark reddish brown (5YR 3/3)
when moist; moderate, medium, prismatic and sub-
angular blocky structure; firm when moist, hard
when dry; many fine pores; worm casts common;
noncalcareous; moderately alkaline; gradual bound-
ary.
B22t-24 to 38 inches, reddish-brown (5YR 5/4) sandy clay
loam, dark reddish brown (5YR 3/4) when moist;
fine, prismatic and moderate, medium, subangular
blocky structure; firm when moist, hard when dry;
few fine pores; roots penetrate peds; calcareous;
abrupt boundary.
Clca-38 to 56 inches, pink (5YR 7/4) sandy clay loam,
yellowish red (5YR 5/6) when moist; firm when
moist, hard when dry; about 50 percent concretions
and soft masses of calcium carbonate; calcareous;
clear boundary.
C2-56 to 60 inches +, light reddish-brown (5YR 6/4) sandy
clay loam, yellowish red (5YR 5/6) when moist; less
calcium carbonate than in Cclea horizon.
The texture of the A horizon ranges from loam to sandy
clay loam, and the thickness from 10 to about 14 inches. In
dry soil the color ranges from dark reddish gray to dark
brown in hue of 7.5YR to 5YR, value of 4 or 5, and chroma
of 2 or 3. In moist soil the value is less than 3.5.
The texture of the B2t horizon ranges from heavy sandy
clay loam to light sandy clay loam. In dry soil the color
ranges from red to dark reddish brown and dark brown in
hue of 2.5YR to 7.5YR.
The thickness of the solum ranges from 30 to 50 inches.
The thickness of the Clca horizon ranges from 6 to 24 inches.
The percentage of visible calcium carbonate in this layer is
5 to 70. The lime has accumulated as soft masses and as con-
cretions %/ to 1 inch in diameter.
Waterworn pebbles occur in all parts of the profile but
most commonly in the upper part of the C horizon. Some
profiles contain thin gravelly strata.
Acuff soils are associated with Miles and Spur soils. They
are more clayey in the A horizon than Miles soils. In com-
parison with Spur soils, they are noncalcareous in the upper-
most part of the profile and have a noticeable accumulation
of lime in the lower part, whereas Spur soils are calcareous
throughout.
Acuff loam, 0 to 1 percent slopes (AcA).-This soil
occurs as smooth areas 5 to 50 feet above the flood plain.
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Wiedenfeld, C. C.; Barnhill, L. J. & Novosad, Clifford J. Soil Survey of Runnels County, Texas, book, March 1970; Washington D.C.. (https://texashistory.unt.edu/ark:/67531/metapth224548/m1/9/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.