Day.M.C <br/><br/>
Memorandum to chief Designing Engineer  Control Apparatus for outlet works 

 - United states Department of the Interior Bureau of reclamation  colorado  1936 
 - 21p.  ILL.,Cht. and Table 
<br/><br/><label>Nat. Bib. No.: </label>1772 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering
<br/><br/><label>Universal Decimal Class. No.: </label>626.4  / THE