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Second Principal Meridian
Encyclopedia
The Second Principal Meridian coincides with 86° 28' of longitude west from Greenwich, starts from a point two and one half miles west of the confluence of the Little Blue and Ohio
rivers, runs north to the northern boundary of Indiana
, and, with the base line in latitude 38° 28' 20", governs the surveys in Indiana and part of those in Illinois
.
Ohio River
The Ohio River is the largest tributary, by volume, of the Mississippi River. At the confluence, the Ohio is even bigger than the Mississippi and, thus, is hydrologically the main stream of the whole river system, including the Allegheny River further upstream...
rivers, runs north to the northern boundary of Indiana
Indiana
Indiana is a US state, admitted to the United States as the 19th on December 11, 1816. It is located in the Midwestern United States and Great Lakes Region. With 6,483,802 residents, the state is ranked 15th in population and 16th in population density. Indiana is ranked 38th in land area and is...
, and, with the base line in latitude 38° 28' 20", governs the surveys in Indiana and part of those in Illinois
Illinois
Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...
.