Identifier: waterresourcesof00leew (find matches)
Title: Water resources of the Rio Grande Valley in New Mexico and their development
Year: 1907 (1900s)
Authors: Lee, Willis T. (Willis Thomas), 1864-1926
Subjects: Water-supply
Publisher: Govt. Print. Off.
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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ENGLE KESERVOIR, SPILLWAY. 27 the detrital beds west of the fault. Tliis terrace is traceable through-out the length of Engle and Las Palomas valleys and is most conspicuouswest of the river, where it forms a shelf several miles wide in places.It differs from the terraces illustrated in fig. 1 in being a surfacemainly of erosion, probabl)^ formed at a time when the down cuttingof the river was temporarily arrested, for some reason as yet unknown,during which time the river cut laterally, flowing in part over the rockand in part over the detrital beds to the west, crossing and recrossingthe fault line. ^Ylien the river resumed its down cutting it eroded acanyon partly in rock and partly in detritus, as shown in PI. VIII,instead of taking the course to the west, where no hard rock wouldhave been encountered. SPILLWAY. The ease with which erosion is accomplished in the detrital beds iswell illustrated in the three oxbows formed west of the fault line,where the river passes from the rock

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