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Exploration and Discovery
in the
Heartland of America
1650 - 1700 Map Intensive
COMPARITIVE CARTOGRAPHY AND THE JESUIT MAP
The image below, Figure 20 from Weber's Invalidating the Jacques Marquette Map, is a three map contrast. It is motivated to help throw light on whether or not the Jesuit Map (middle) was based on the Marquette Map (left). The Marquette Map Hoax is one of the biggest frauds in American mapping History.
If the middle map, below, was based on the left map, and the middle map was sent to France in 1675, then the dating of the left map is more certain to be from 1673-74, and is not a 19th century fake.
The right map was the first to have the Mississippi red-section contour. The middle map took the contour from the right side map, dating the middle map to at least 1703. The middle could not have served as a template for the right map in 1675.
As more detailed in Weber's affidavit, the following is a summary of the plagiarism published in the Journal of Illinois History.
What is also overlooked by the fact-checkers at this academic journal is that the facts of the plagiarized material are themselves erroneous (!). The intent of the surreptitious appropriation was to use the itself-erroneous "argument" to prove that the Marquette Map, that suddenly appeared to history in 1844, was authentically the map made by Marquette in 1673-74. In fact, the more likely characterization is that it is the most substantial fraud in the history of the cartography of North America.
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