mining news
Map of the Month: April 2023
Our April Map of the Month is this 1907 map of the American Southwest titled, the ”Greatest Mineral Belt in the World”. The map depicts the breadth of gold, silver, and copper through the mineral belt as it spans over California, Nevada, and Arizona. ...
Map of the Month: June 2022
Our June Map of the Month is a 1905 “Map of the Denver & Rio Grande System” depicting the extent of the Denver and Rio Grande Railroad at the time as well as its connecting lines and variation in rail type throughout the system. The Denver and Rio Grande was one of the largest and most significa...
Map of the Month: October 2021
Our October Map of the Month is this 1963 map titled “Arizona’s Lost Mines and Ghost Towns”. It features some of Arizona’s most famous lost mines and ghost towns as well as the more obscure, and it includes many illustrations related to Arizona’s history and the “Wild West” era that these towns and ...