North America, 1910
A map from 1910 of North America, Central America, Greenland, and the Caribbean to Puerto Rico showing general land elevations, water depths, and principal terrain features. The map uses color–contouring to show land elevations from sea level t...

Relief Features of North America, 1910
A relief map from 1910 of North America showing mountain, plateau, basin, and plains terrain, lakes and river systems, islands, and coastal features of the region. The submerged continental plateau is also shown....

North American Population Density, 1910
A map from 1910 of North America, Central America, Greenland and the Caribbean showing population density distribution in the region at the time. The map is coded to show areas of population densities ranging from less than 1 inhabitant per square mi...

Distribution of Fish in North America, 1910
A map from1910 of North America showing the distribution of primary commercial fish in the region, including oysters, clams, sponges, turtles, shrimp, lobster, whales and seals. The map shows marine species as well the freshwater salmon rivers and la...

Climate and Life Provinces of North America, 1911
A map from 1911 of North America and Central America showing the seven climate zones and three life provinces in the region. The map is color–coded to show the Arctic, Hudsonian, and Canadian climate zones (Boreal Region), Transition, Upper Aus...

Köppen Climate Classification of North America, 1911
A map from 1911 of the climate regions of North America using the classification system developed by Wladimir Köppen, based on the concept that native vegetation is the best expression of climate. The major groups are (A) tropical/megathermal cl...

Southern Limit of Glaciation, 1911
A map from 1911 showing the centers of ice accumulation, the position of the Driftless Area, the general direction of radiation, and the southern limit of glaciation in North America during the last glacial period. The map shows the Cordilleran Ice S...

Conifers in Canada and Eastern United States, 1911
A map from 1911 of North America showing the distribution patterns of the dominant conifers in Canada and eastern United States to Alaska. The species shown are Picea mariana (Black Spruce), Larix laricina (Tamarack), Pinus divaricata (Jack Pine), Ab...

Orographical map of North America, 1911
A map from 1911 of North America, Central America, Greenland, and the Caribbean showing mountain systems (orographical), highlands, plains, and major rivers of the region. The map uses colot–contouring to show general land elevations from sea l...

North America, Vegetation, 1911
A map from 1911 of North America, Central America, Greenland, and the Caribbean to Puerto Rico showing the areas of primary vegetation types for the region. The map is color–coded to show areas of forests, areas of woodland, grass, and cultivat...