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Drawing

Mr. Dibble's Machine

Date: 1827
Description: Increase Lapham's drawing of a rig designed by Mr. Orange Dibble for removing rocks and other large debris from deep canal cuts.
Drawing

A Geological Profile Extending from Utica to Knob Creek

Date: 1828
Description: Drawing by Increase Lapham showing the geological profile of the land between Utica and Knob Creek, Kentucky at a scale of 1/2 inch to a mile.

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