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<br />6
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<br />001945
<br />4, Recently Initiated Proiects:
<br />
<br />a. Development of hydrologic design criteria for small dams and reservoirs.
<br />
<br />b, Listing of present and expected future needs for additional hydrologic
<br />data.
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<br />c. Compilation of an index of currently available data, with particular
<br />reference to those in forms for automatic machine processing.
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<br />,
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<br />Phreatophyte Subcommittee
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<br />1. Meetin(ls:
<br />
<br />The Subcommittee held four meetings during the year, These were at
<br />Winnemucca, Nevada, August 29-30, 1962; at Las Vegas, Nevada,
<br />December 4-5, 1962; at Lompoc, California, March 4, 1963, and at
<br />Alamosa, Colorado, June 3-4, 1963.
<br />
<br />2. Publications:
<br />
<br />Publications prepared by the Subcommittee included a Glossary of Terms.
<br />In addition, members of the Subcommittee have provided consultation and
<br />review for the following list of publications:
<br />
<br />a. A'Guide for Mappin(l Phreatophyte Ve(letation, by J. S, Horton (USGS);
<br />T. W, Robinson (USGS), and H. R. McDonald (USBR), authorized for
<br />publication as one of the numbered series of publications by the U. $,
<br />Department of Agricul fure,
<br />
<br />b. Measurin(l Transpiration of Undisturbed Tamarisk Shrubs, by Decker,
<br />Gaylor, and Cole (FS),
<br />
<br />c, Taxanomic Rates on Tamarix Pentandra in Arizona, by Horton and Flood (FS).
<br />
<br />d. Control of Certain Ditchbank Weeds on Irri(lation Systems, Production
<br />Research Report No, 60, ARS in cooperation with Stote Agricultural
<br />Experiment Station, and Bureau of Reclamation.
<br />
<br />,
<br />
<br />e. The Infestation of Saltcedar in the Middle Rio Grande Valley Above
<br />Elephant Butte Dam, New Mexico, McDonald and Borland, USBR,
<br />(restricted distribution),
<br />
<br />f. Large Evapotranspiration Tonks for Studies of Water Use by Phreatophytes,
<br />T. W, Robinson, GS. Paper presented at AGU meeting, Stanford University,
<br />December 1962.
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