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218
THE JOURNAL OF GEOLOGY.

in the assignment of the Third Magnesian limestone and all below it to the Potsdam period.

Summarizing the products of both the First and Second surveys, we find that there were published six volumes, varying in length from ninety-three to over 700 pages, and four pamphlets, aggregating to about fifty pages. The appropriations for these two geological surveys, as given by Broadhead,[1] are as follows:

Appropriations. Expenditures
for printing.
From 1853 to 1862 $105,000 $5,000
1870 and 1871 12,500
Under acts of 1872, 1873 and 1874 60,000 19,320
In 1876 and 1877, and by School of
Mines
5,000 1,500
Printing, 1873 12,000
Printing, 1876 1,500
Total $196,000 $25,820
Unexpended appropriations 19,814[2]
Total expended $176,185
Balance for salaries and current
expenses
150,365

After the stoppage of the apology for a geological survey, for which provision was made under Professor Williams' control, no public geological work was conducted until the year 1884, when topographic work was begun in the state by the United States geological survey. This was continued until July, 1889, up to which time about one-third of the state was mapped on sheets of a scale of two miles to the inch, and with contour intervals of fifty feet. In addition Mr. W J McGee was detailed in 1887, by the national survey, to make a brief study of the geology of a portion of Macon county, the results of

  1. Missouri Geological Surveys.Historical Memoir.Trans. Acad. Sci. of St. Louis.Vol. IV.Pp. 611-614.
  2. We are informed by Professor Broadhead that the larger part of this unexpended appropriation belonged to the period of the Swallow Survey, though part of it also reverted during the Hager administration of 1870 to 1871.