TABLE 4. COMPARATIVE SUMMARY: 1900, 1890, 1880, 1870 Continued. 



Un 1MO and 1900, for purposes of comparison, "Cost of materials used" include!! wages reported under the heads of "Logging/" and "Cost of keep of animals." 

 = See North Dakota and .South Dakota. 

 None reported In 1890 and 1900. 

 ' No report received prior to 1890. 



