33 U.S.C. § 4 : US Code - Section 4: Water gauges on Mississippi River and tributaries

Search 33 U.S.C. § 4 : US Code - Section 4: Water gauges on Mississippi River and tributaries

The Secretary of the Army is authorized and directed to have
water gauges established, and daily observations made of the rise
and fall of the Mississippi River and its tributaries.
For the purpose of securing the uninterrupted gauging of the
waters of the Mississippi River and its tributaries, as provided
for in this section, upon the application of the Chief of
Engineers, the Secretary of the Army is authorized to draw his
warrant or requisition, from time to time, upon the Secretary of
the Treasury for such sums as may be necessary to do such work, not
to exceed in the aggregate for each year the sum of $9,600.