atlantic pacific junction topographical map (3 resultados)

Condición: Good. Topographical Map of Isthmus of Darien. Proposed Panama Canal 1852 (1854). Antique survey map; Lionel Gisborne (1852 (1854)). 37.5 x 51.0cm, 14.75 x 20 inches; this is a folding map. Condition: Good. The map was published without a lower right margin, which has been restored with skight loss of the printed border. Toning along folds. Please contact us if you would like to arrange to view this map. There is nothing printed on the reverse side, which is plain. An 1852 map illustrating an early proposal for a transoceanic canal route by Lionel Gisborne, a British civil engineer and surveyor instrumental in the initial exploration of interoceanic canal possibilities across Central America. Commissioned by the British government to investigate viable crossings of the Isthmus of Darién, Gisborne conducted a detailed survey of the SavannahLaraCalidonia route, shown here, producing one of the earliest comprehensive engineering assessments of the corridor. His findingsaccompanied by maps, profiles, and reportswere submitted to both British and American authorities, contributing significantly to the early discourse on canal feasibility. He briefly collaborated with American engineer John C. Trautwine, who later offered a more skeptical evaluation of the route's practicality, however this map's publication to accompany and illustrate the US President's message to Congress suggests that the route was being considered seriously by the US Government at the time. The proposed canal would have begun at Calidonia Bay on the Pacific coast, ascended the Calidonia River, crossed via the Lara River, and descended along the Savannah River to the Caribbean Sea. Although shorter and more direct than the rival Atrato or Nicaraguan proposals under consideration at the time, the route was ultimately rejected due to steep elevation changes and the extreme challenges posed by the rugged, rain-soaked, and disease-ridden terrain of the Darién Gap.

A very interesting map showing one of the proposed routes for the Panama Canal. A cross-section is also shown. This map measure 19.5 inches by 14 inches.

This 1852 map shows the proposed site of a canal to connect the Atlantic and Pacific Oceans. This proposal has the canal roughly following the Savannah, Lara, and Calidonia Rivers. A very interesting map, as this is not where the canal was ultimately built. Sold folded as issued. This map measure 19.25 inches by 13.75 inches.