SPECIAL WAGE REPORTS
The material collected by State labor bureaus is of considerable value, but as has already been indicated, its dependability is, in most cases, greatly impaired by the varying methods of collection and presentation, and by the impossibility of determining, in each instance, exactly what method was employed. The State reports present a picture of varying accuracy, which is, in the case of most States, little more than a picture. In the preceding chapters, the more accurate State statistics have been discussed in detail. The present chapter includes a less comprehensive, but more specific group of statistics, contained in four special reports, which give the wages for three industries.
Within two years the Wisconsin Railroad Commission, the Illinois Bureau of Labor and the United States Bureau of Labor have completed four wage investigations which are detailed,