Rouseville, Pennsylvania, lay within a few miles of Titusville and Pithole City, two of the most famous boomtowns in Pennsylvania s oil fields. From 1859 until after the Civil War, new gushers brought investors, cardsharps, saloons, and speculators into these rural settlements. As quickly as they grew, however, the towns collapsed, often from the effects of fires like the one shown here. In the 1860s, American industrialist John D. Rockefeller (1839-1937) was in the thick of this oil boom, maneuvering to establish the Standard Oil Company. Rockefellers investments in railroads and refineries would make him one of Americas richest men, long after the wildcatters in the Pennsylvania fields had gone bust.