Charles Lockhart (1818-1905)

Venango County · dedicated 2007 · 222 Center St.

The largest crude oil refiner in Pittsburgh in the 1860s. Lockhart, Frew & Co. merged its seven refineries with Standard Oil in 1874. Lockhart served on the board, managing 80% of US oil refining, transport, and marketing. One of the original firm's offices was here.

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Marker data: Pennsylvania Historical and Museum Commission via data.pa.gov

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