Standard and the Ohio-Indiana fields
Since the earliest days of the industry the Mecca district, which spread across the border of western Pennsylvania into Ohio and the Macksburg fields in southeastern Ohio, had contributed modest amounts of crude to total domestic production.* While a portion of the Mecca crude was a "heavy" oil particularly valuable as a source of lubricants, most of the output from these fields was technically well suited for general refining operations and was usually classified among the Pennsylvania-type crudes.
Although production in the Mecca and Macksburg areas continued to expand, it was the development of the "Lima fields" during the mid -1880's which made Ohio a major crude producer. Centered in the northwestern part of the state, the first discoveries were made near the towns of Lima in____________________