Contract agreement between Wilmer Waldo and John H. Blair Co. Incorporated, June 19, 1911
John H. Blair Co. Incorporated was contracted to provide the transportation of the material and tools to be used in the construction of tunnels, - "C" and "D", and the Water Tank and Oil Tank at the Rice Institute.
Rice University Tunnel System (Houston, Tex.)--Design and construction; Rice University--Design and construction; William M. Rice Institute