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<br />Figure 7.--Proposed network of hydrologic gaging stations for unregulated
<br />minor streams.
<br />
<br />For streams that drain less than 150 sq mi the regression equations
<br />are not applicable. Only three stations used tn the regression had drain-
<br />age areas of less than 150 sq mi, and the smallest area was 110 sq mi. The
<br />data for the high-flow partial-record stations were not used in the anal~-
<br />sis because of the short length of record.
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<br />Principal streams with natural flow
<br />
<br />The accuracy goal for principal streams Is the accuracy equivalent to
<br />that of a 25-year record. Although the regression equations can be applied
<br />to these basins, they do not provide the desired accuracy for any of the
<br />statistical characteristics of flow. The accuracy goal can be met by
<br />operating gaging stations at selected points. The proposed plan is shown
<br />
<br />31
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