1873 - Old Forge Coal Mines

INSPECTORS OF MINES. 9
information than we unfortunately claim, nevertheless we aim at but one
distinctive object, our duty to discharge and our trust to protect.
Cheerfully acknowledging our obligations to Benjamin Bannan, Esq., for
coal statistics from its inception in Pennsylvania to the close of this year
a very valuable adjunct to this subject. To Prof. P. W. Sheafer, C. E., for
diagram showing the quantity of coal mined in the Anthracite regions of
the State. To Col. David P. Brown, for an economical and safe plan of
working the Mammoth coal seam, with notes. To Gen. Henry Pleasants,
for drawings of sections of the P. R. C. and I. C. S. new shafts. To Andrew
Cochran, Esq., C. E., for descriptive map, etc., to which we add C.
W. Williams, of Liverpool, for constituent weight and measures of gases,
which will be found at the end of the report.
Having endeavored to do our duty in this matter, hoping our labors may
be appreciated by the proper authorities who govern the interest of the
Commonwealth.
Having the honor to be,
With great respect,
Your obedient servant.
P. F. M'ANDREW, Clerk.