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This is a 1922 map of Baja California, titled Mapa de Baja California. It depicts the peninsula in significant detail, highlighting the towns, roads, and coastal features.
The map is impressive for its coverage of the roads within the Baja Peninsula, at a time when automobile travel in the region was becoming fashionable for the most adventurous travelers. The map features numerous roads crisscrossing the Baja California Peninsula, connecting coastal and inland towns. These roads primarily follow the rugged topography of the peninsula, reflecting the limited infrastructure of the era. The vast majority of these roads would have been unpaved.
The map lists a substantial number of towns, from the northern regions bordering the United States to the southern tip at Cabo San Lucas. Larger settlements, such as La Paz and Ensenada, are marked prominently, reflecting their importance as administrative and trade centers at the time. Numerous smaller towns and ranches are shown, including many with Spanish colonial names, providing a snapshot of the region's development during the early 20th century.
Rarity
The map is very rare on the market. This is the first example we have ever seen.
OCLC locates 2 examples (UC San Diego and Staats & Universitatbibliothek Hamburg).
Blueprint & Blue Line maps (Cyanotype Printing)
Blueprint and blue line maps were among the most popular means for the swift printing of maps for which there would be a limited demand. A blueprint or blue line map could be made and/or revised much more quickly than a lithograph, cerograph, or other printing method, and at a much lower cost.
This method of printing was invented in 1842 by John Herschel, a chemist, astronomer, and photographer. A cyanotype process, one starts by drawing on semi-transparent paper, weighted down by a top sheet of paper. The paper would be coated with a photosensitive chemical mixture of potassium ferricyanogen and ferric ammonium citrate. The paper would then be exposed to light, wherein the exposed portions turned blue and the drawn lines, protected from exposure, would remain white.
The cyanotype printing process was an improvement on the expensive and time-consuming method of hand-tracing original documents. The technique was particularly popular with architects; by the 1890s, a blueprint was one-tenth the cost of a hand-traced reproduction. It could also be copied more quickly.
Blueprint and blue line maps began to appear as early as the 1850s and 1860s, but they really began to become the standard for mining and similar limited-purpose maps by the 1880s. The ability to create these maps quickly and at a low cost made them the standard for short-run prints, ideal for mapping mining regions in the West and for similar purposes.
The method still exists today, but in a very limited fashion. In the 1940s, diazo prints (whiteprints or bluelines) became more popular, as they were easier to read and faster to make. The blue lines on a white background of these prints are now what most people call blueprints.
Rand McNally & Co. is a large American map and navigation company best known for its annual atlases. The company got its start in 1856, when William Rand opened a print shop in Chicago. He was joined in 1858 by a new employee, Andrew McNally. Together, the men established their namesake company in 1868. Originally, the company was intended to print the tickets and timetables for the trains running to and through Chicago; their first railway guide was published in 1869.
By 1870, they had shifted from just printing to publishing directories, travel guides, and newspapers. Their first map appeared in 1872 in a railway guide. The map was produced using a new wax engraving method, a cheaper process that gave the company an edge.
By 1880 Rand McNally had entered the education market with globes, wall maps, and geography texts for students. In 1923, Rand McNally published the first Goode’s World Atlas, named after its editor, Dr. J. Paul Goode. For generations afterward, this would be the standard classroom atlas.
In 1899, William Rand left the company, but McNally and his family remained, controlling the company for over a century. In 1904, they published their first road map intended for automobiles and by 1907 were publishing Photo-Auto Guides, which combined photography and mapping to help drivers. In 1924, they produced the Auto Chum, a precursor to their famous road atlases. Rand McNally would remain the leader in road maps and atlases throughout the twentieth century.
In 1937, Rand McNally opened its first store in New York City. Ever on the frontier of technology, Rand McNally pioneered the scribing process for printing tickets in 1958 and printed their first full-color road atlas in 1960. Arthur Robinson developed his now-famous projection of Rand McNally in 1969. By the 1980s, the company was exploring digital reproduction and digital databases of maps for truckers. In the 1990s, they lead the charge to develop trip-planning software and websites. Today, most of its products are available online or in a digital format, including maps for tablets and phones.
![[ Baja California / Gulf of California ] Carta Esferica de las Costas y Golfo De Californias Llamado Mar De Cortes Que Comprende desde el Cabo Corrientes hasta el Puerto de San Diego Construida …. 1825](https://storage.googleapis.com/raremaps/img/small/102732.jpg)
