. Bulletin of the Department of Agriculture. Agriculture; Agriculture. 26 BULLETIN 502, U. S. DEPARTMENT OF AGEICULTURE. The wet spot became noticeable in the summer of 1913 and by the following summer had increased considerably. There was not much alkali present, but the ground was very wet. A prominent shale ridge outcrops across the north and east sides of this tract. A deep arroyo at one time extended across the tract. Height of Ground Surface above Datum »o^ ^ Fig. 3.—One-acre tract near CaDon City, Colo., showing plan of drainage. in the bottom of the shallow draw in which the affec
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. 26 BULLETIN 502, U. S. DEPARTMENT OF AGEICULTURE. The wet spot became noticeable in the summer of 1913 and by the following summer had increased considerably. There was not much alkali present, but the ground was very wet. A prominent shale ridge outcrops across the north and east sides of this tract. A deep arroyo at one time extended across the tract. Height of Ground Surface above Datum »o^ ^ Fig. 3.—One-acre tract near CaDon City, Colo., showing plan of drainage. in the bottom of the shallow draw in which the affected area is located. This was filled in when the land was leveled. It is be- lieved that this had much to do with the development of the seepage, for not only was the natural drainage afforded by the arroyo thus shut off, but the earth filled in became more dense than the natural soil and offered greater resistance to the movement of the ground water. A careful subsoil examination indicated that the seepage. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Dept. of Agriculture. [Washington, D. C. ?] : The Dept. : Supt. of Docs. , G. P. O.
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