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406 Ob <br />The Geological Survey has published a Geologic Mapping Index of the <br />following States within the Basin: Missouri, Arkansas, Colorado, and <br />New Mexico. A copy of each of these index maps is attached as Exhibits- - <br />Missouri 6c; Kansas, 6d; Colorado, 6e; and New Mexico, 6f. <br />Detailed information on geologic mapping in the other States is <br />available and can be supplied by the Washington Offioe of the U. S. <br />Geological Survey, <br />7. Hydrographio Land Classification (Ref LC in U.S. IgLa, pp. 14 -53) <br />A brief report on the Water Resources investigations and hydrolop;ic <br />reports of the Geological Survey is given in Section B of the July 1950 Status <br />Report of Activities and Programs for Water Resources Conservation and Develop - <br />ment in the Arkansas -White and Red River Basins. This report contains a map <br />showing the location of stream flow, chemical quality, and sediment stations <br />for 1951- Another map shows the status of ground water investigations for <br />1951- <br />Further information on basic data on the Water Resources of the Basin <br />can be supplied by the Hydrologic Subcommittee of the AWRBIAC. <br />8. Forest Surveys (Ref: LC in U. S. 1911, p. 54) <br />"In the discharge of its responsibilities, the United States Forest <br />Service uses land classification of several kinds and degrees of intensity. <br />"In formulating a Nation -wide plan for national forest acquisition, <br />for example, a broad scale classification of the Nation's forest land is <br />necessary. In this classification, a distinction is made between those <br />forest areas where the general welfare will be best served by Federal owner- <br />ship, and those where it will be best served by private, county, or State <br />ownership, <br />"In the administration of the national forests, land classification is <br />also carried on as a part of the management plan for each forest. The land <br />classification in this case consists in delineating areas within the forest <br />and designating them for particular types of treatment:' <br />The United States Forest Service has recently prepared a small scale <br />map (one inch equals fifty miles) which shows the principal forest areas in <br />the Arkansas -White Drainage Basin (Exhibit 8a). This map also shows the <br />extent of the national forests. <br />The United States Forest Service also has available small scale plani- <br />metric maps of the national forests which are prepared for administrative <br />use. In score forests, these maps have been published for distribution to <br />users of that forest area. <br />Exhibit 8b is a map of the United States (1948) (Scale: one inch equals <br />200 miles, approx.) showing national forests and national parks. <br />Exhibit 8c is a large map of the United States (1912) (Scale: one inch <br />equals 110 miles) showing State forests, national parks, national monuments, <br />and Indian Reservations. <br />C -5 <br />