Context of Report of progress of stream measurements for the calendar year 1905, prepared under the direction of F.H. Newell. Part II. -- Hudson, Passaic, Raritan, and Delaware River drainage, by R.E. Horton, N.C. Grover, and John C. Hoyt. [U.S. Geological Survey Water Supply and Irrigation Paper No. 166. Series P, Hydrographic Progress Reports, 42.].