In table I an item number is assigned to each specifically designated waters or portions thereof.

(b) Waters index number as appearing in table I shall mean that number or abbreviation which has been assigned to any specifically designated waters or portions thereof for the purpose of identification.

(c) Name as appearing in table I shall mean the name by which the specifically designated waters are generally known and which name may appear on the reference maps.

The column headed Description contains designations or sections of waters under consideration to which a particular assignment of a class and standards shall apply.

(e) Map Ref. No. as appearing in table I means map reference number and indicates one or more of the following numbered maps reproduced herein completely, or in part, on which the specifically designated waters and their index numbers are shown. The following maps were produced from original maps which may be procured through the Washington Distribution Section, Geological Survey.

(f) Class as appearing in table I, and denoted by the letter C opposite each specifically designated waters shall mean class C, as set forth in Part 701, supra.

(g) Standards as appearing in table I, as the letter C opposite each specifically designated waters shall mean the standards of quality and purity established for class C, as set forth in Part 701, supra.