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From MapHist.com - Glossary of Terms for historical maps Glossary of Terms A locational reference system consisting of a grid and a method of referring to points on the grid so that locations can be provided coordinates.
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From MapHist.com - Glossary of Terms for historical maps Glossary of Terms A locational reference system consisting of a grid and a method of referring to points on the grid so that locations can be provided coordinates.
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