Created in 1984 by ESRI to show distribution of oil and gas pipelines and facilities in Illinois. This manuscript consists of point data representing oil and gas pipeline locations and related facilities. The manuscript was prepared using composite mapping procedures. Pipelines were registered to the basemap by lining up known locations such as cities, railroads, and stream courses shown on both the source map and the basemap. Points were located either on or off pipelines and generally fell at intersections where several pipelines converged or at a line terminus.
Point features present.
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