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Travelers series The Travelers series consists of shallow, excessively drained soils that formed in material weathered from basalt. Travelers soils are on basalt flows or mesas capped by basalt. Slopes are 1 to 25 percent. Mean annual precipitation is about 9 inches, and the mean annual air temperature is about 41 degrees F. Travelers soils are near the Cumbres, Garita, Monte, and Luhon soils. Cumbres soils have a 62t horizon. Garita, Monte, and Luhon soils are more than 40 inches thick over bedrock. Monte and Luhon soils are less than 35 percent coarse fragments. Typical pedon of Travelers very stony loam, 1 to 3 percent slopes, 1,450 feet north and 1,650 feet east of the southwest corner of sec. 16, T. 32 N., R. 9 E.: Al -0 to 4 inches; brown (10YR 5/3) very stony loam, dark brown (10YR 4/3) moist; moderate fine granu- lar structure; soft, very friable; 30 percent stones and cobbles and 20 percent angular gravel, mostly basalt; many dark mineral grains in sand fraction; calcareous; moderately alkaline; clear smooth boundary. B2 -4 to 12 inches; pale brown (10YR 6/3) very stony loam, brown (10YR 5/3) moist; moderate medium subangular blocky structure parting to weak fine granular; slightly hard, friable; 55 percent stone and 20 percent angular gravel, mostly basalt; many dark mineral grains in the sand fraction; calcareous; mod- erately alkaline; clear smooth boundary. Cca -12 to 16 inches; very pale brown (10YR 7/3) very stony loam, brown (10YR 5/3) moist; massive; hard, friable; 50 percent stones and 30 percent angular gravel, mostly basalt; many dark mineral grains in the sand fraction; calcareous with secondary cal- cium carbonate visible as concretions, as thin seams and streaks, and as coatings on gravel frag- ments; moderately alkaline; abrupt smooth bound- ary. R -16 inches; basalt. Depth to calcareous material ranges from 0 to 4 inches. Depth to the lithic contact ranges from 10 to 20 inches. Page 12 of 73