Magnetic Declination : Administrative Report; Levels Above Tide; Petroleum and Natural Gas (Classic Reprint)

Excerpt from Magnetic Declination: Administrative Report; Levels Above Tide; Petroleum and Natural Gas

The kind assistance of the several railroads of the State through their Presidents, and Chief Engineers, has enabled the Survey to publish the very complete lists of levels given in Part II, as also the appendix to same at the close of the volume. The U. S. Engineers have also contributed valuable data to this subject from the river surveys Of the War Department.

The generous co-operation granted by Director Wal cott of the U. S. G. Survey has enabled the Survey to present the people of the State with the valuable data on magnetic variation in every county, recorded in Part III, and also the interesting discussion Of Mr. R. U. Goode, which accompanies the same, all at a merely nominal cost to the State.

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