...destrucOpinion of the Court. 345 US tive floods upon the rivers of the United States . . . constitute a menace to national welfare; that it is the sense of Congress...tributaries is a proper activity of the Federal Government . . . ; that the Federal Government should improve or participate in the improvement of navigable waters...

...navigation, highways, railroads, and other channels of commerce between the States, constitute a menace to national welfare; that it is the sense of Congress...the Federal Government in cooperation with States, of the general welfare ; that the Federal Government should improve or participate in the improvement...

...navigation, highways, railroads, and other channels of commerce between the States, constitute a menace to national welfare; that it is the sense of Congress...other waterways, including watersheds thereof, for flood control purposes are in the interest of the general welfare; that the Federal Government should...

...highways, railroads, and other channels of commerce between the States, constitute a menace to the national welfare; that it is the sense of Congress...Federal Government in cooperation with States, their ixilitienl subdivisions, and localities thereof: that investigations and improvements of rivers and...

...the Flood Control Act of 1936. The policy of that act as stated in section 1 thereof is — "* * * that flood control on navigable waters or their tributaries...political subdivisions, and localities thereof; * * * that the Federal Government should improve or participate in the improvement of navigable waters or their...

...of the Flood Control Act of 1936. The policy of that act as stated in section 1 thereof is— "* * * that flood control on navigable waters or their tributaries...political subdivisions, and localities thereof; * * * that the Federal Government should improve or participate in the improvement of navigable waters or their...

...Congress undertook flood control as an end in itself — declaring that "it is the setYSfe ol gress that flood control on navigable waters or their tributaries...their political subdivisions and localities thereof." The inclusiveness of a phrase like "navigable waters or their tributaries" makes this policy Nation-wide,...

...in the Flood Control Act of 1936 Congress undertook flood control as an end in itself — declaring that "it is the sense of Congress that flood control on navigable waters or their tributaries is n proper activity of the Federal Government in cooperation with States, their political subdivisions...

...history of the country, a coordinated land and water program for flood control. It declares, first, that flood control on navigable waters or their tributaries is a proper Federal activity in cooperation with the States and their political subdivisions, and secondly that...

...and other channels of commerce between the States, constitute a menace to national welfare; that is is the sense of Congress that flood control on navigable...investigations and improvements of rivers and other water ways, in watersheds thereof for flood-control purposes are in the interest of the general welfare;...