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Large map of North America, offering a detailed cartographic representation of the economic landscape of North America.
The map employs a color-coded system to distinguish between areas of varying degrees of commercial development, from highly developed industrial and mining regions to less productive or undeveloped territories.
The map is segmented into different categories reflecting the primary economic activities and developmental status of each region: 'Highly Developed Regions' are indicated by their industrial and mining capabilities; 'Productive Regions Commercially Developed' highlight areas of mining, industrial activities, and agriculture; 'Productive Regions less Highly Developed' focus on mainly agricultural and stock raising activities; and 'Less Productive or Undeveloped Regions' denote areas focused on temperate forestry, lumbering, and other less intensive uses.
The legend or key provides detailed explanations of the symbols used on the map, such as international boundaries, navigable waterways, principal railways, and canals. It also includes symbols for major economic indicators such as coalfields, iron, silver, gold, copper, and petroleum deposits. This key aids in understanding the distribution of natural resources and transportation networks critical to the continent's commercial development.
The map also details shipping routes, principal sea and inland ports, and notes areas that are closed to navigation in winter due to ice. These elements underscore the importance of maritime trade and transport in the economic structure of the continent.
![(North America) ФИЗИЧЕСКАЯ КАРТА СEВЕРНОЙ АМЕРИКИ. [Physical Map of North America]](https://storage.googleapis.com/raremaps/img/small/90262.jpg)
![A New Mapp of America Septentrionale . . . 1669 [California shown as an island]](https://storage.googleapis.com/raremaps/img/small/94304.jpg)
