The Blue Shell Proof: California (16th - 18th centuries), an Island or a Peninsula? This article takes a look at how geographical knowledge, especially cartographic, is built up on the basis of information gathered in the field, the mental representations of observers and the interpretations developed : by cartographers in their workshops. The example we have chosen to examine is California, since in the 18th century, it had not yet been determined whether California was an island or a peninsula. The uncertainty lasted until a Jesuit named Eusebio Kino was able to demonstrate that it was a peninsula by the trade of blue shells carried out by the Indians between the coast of California and the interior of the continent. During the same perio...
From: De zee-atlas ofte water-waereld : vertoonende alle de zee-kusten van het bekende deel des aerd...
This map by Miguel Costanzó depicts a West Coast region of New Spain (Nueva Españal) and the America...
The Harleian and other Dieppe maps made in France in the mid-16th century are manifestly based on Po...
This 1777 map shows five early cartographic perceptions of California and the Gulf of California; Is...
The contribution resumes the history of the name California from its first apparition in the chivalr...
This 17th century Dutch map depicts western Mexico from Puerto Vallarta to Cape Blanco, mistakenly d...
"This excellent paper on the early geography of the Pacific Coast is grouped about three myths: 1. T...
Early map of the Pacific Ocean and is the first state of this famous map, without the addition of St...
International audienceThis article examines the cartographical history of the Island of Bourbon thro...
Relief shown pictorially.Shows California as an island.Includes two mariner's compasses, a perpetual...
1750 42 x 33 cm., hand colored This is one of the first maps to show the peninsula for California an...
Map published in France in 1828 depicting the West Coast from Bodega Bay, California, to El Rosario,...
The 1720 map by Nicolas de Fer contains important information about Spanish missions in Mexico, Nati...
Map shows five early cartographic perceptions of California and the Gulf of California; islands, set...
Is Part Of Zatta, Antonio, active 1757-1797. Atlante novissimo. Venezia, 1775-85 t. 1, no. [15]. Re...
From: De zee-atlas ofte water-waereld : vertoonende alle de zee-kusten van het bekende deel des aerd...
This map by Miguel Costanzó depicts a West Coast region of New Spain (Nueva Españal) and the America...
The Harleian and other Dieppe maps made in France in the mid-16th century are manifestly based on Po...
This 1777 map shows five early cartographic perceptions of California and the Gulf of California; Is...
The contribution resumes the history of the name California from its first apparition in the chivalr...
This 17th century Dutch map depicts western Mexico from Puerto Vallarta to Cape Blanco, mistakenly d...
"This excellent paper on the early geography of the Pacific Coast is grouped about three myths: 1. T...
Early map of the Pacific Ocean and is the first state of this famous map, without the addition of St...
International audienceThis article examines the cartographical history of the Island of Bourbon thro...
Relief shown pictorially.Shows California as an island.Includes two mariner's compasses, a perpetual...
1750 42 x 33 cm., hand colored This is one of the first maps to show the peninsula for California an...
Map published in France in 1828 depicting the West Coast from Bodega Bay, California, to El Rosario,...
The 1720 map by Nicolas de Fer contains important information about Spanish missions in Mexico, Nati...
Map shows five early cartographic perceptions of California and the Gulf of California; islands, set...
Is Part Of Zatta, Antonio, active 1757-1797. Atlante novissimo. Venezia, 1775-85 t. 1, no. [15]. Re...
From: De zee-atlas ofte water-waereld : vertoonende alle de zee-kusten van het bekende deel des aerd...
This map by Miguel Costanzó depicts a West Coast region of New Spain (Nueva Españal) and the America...
The Harleian and other Dieppe maps made in France in the mid-16th century are manifestly based on Po...