The Prospector, is our professionally produced and beautifully illustrated quarterly magazine featuring the finest work of historians and other experts on all aspects of Rio Grande Railroad. We make available individual issues and volume sets of the magazine for purchase from our website—from the current issue to back issues of The Prospector over the past 20 years back to Volume 1 which was first published in 2002.

Volume 24 issues were published during the 2025 calendar year by the society. At the end of each year we offer bundled set of the four issues