The Rocky Mountain Map Society is a non-profit organization dedicated to the study and appreciation of maps and other items of cartographic interest. The Society was formed in 1991 and is based in Denver, Colorado.

Most meetings are held on Tuesday evenings at the Denver Public Library, 5th Floor, Gates Room, at 5:30 PM.

May 1 to July 1, 2016: RMMS 2016 Map Month
“Illusions, Delusions & Confusions”

DPL photo

All Monday evening lectures will be held on Conference Room B2 at the main branch of Denver Public Library, starting at 5:30 PM.

These programs are free and open to the community. No reservations needed.

Map Month Brochure
Map Month Programs
Denver Post Writeup
Boulder Camera Writeup


Old maps of all parts of the world contain inaccuracies and myths. Some were caused by mis-perceptions or mis-interpretations of evidence, others because of beliefs in legends. No matter what their source, these map myths had a significant effect upon history and cartography.

Map Exhibits featuring various myths:

  • May 1 through June 30th: Main Branch of Denver Public Library
  • May 2 through July 1: Map Library at the University of Colorado, Boulder

Map Lectures at Denver Public Library:

  • May 2: Joseph Nigg, “Sea Monsters of Olaus Magnus: Lore and Legacy of the 1539 Carta Marina”
  • May 9: John Gilbert, “The Edges of the Earth in Herodotus’ Histories”
  • May 16: P.J. Mode, “Mapmaking & Mythmaking: Persuasive Cartography at Work”
  • May 23: Don McGuirk, “Sea of the West” - and - Wes Brown, “The Enormous Mythical San Luis Lake of Colorado”
  • June 6: Christopher Lane, “Cartographic Myths of the American West”

Upcoming Meetings -- Save the dates!

July 23, 2016
4:00-7:30 PM

"Cartifacts IV" show & tell and Swap Meet:
for RMMS Members and their guests only
at NorthPark East Clubhouse in Westminster
A really fun, social event!
RMMS Members: login to Members Only Area
Members will also receive an announcement in the mail.
Membership Information


Sept. 20, 2016

Lee Whiteley
Trails to Interstate: Transportation Systems
Along the Front Range of the Rocky Mountains
Click here for Lecture Announcement


Sept. 22-25, 2016

Society for the History of Discoveries (SHD)
Annual Meeting, possible tour Sept. 25th
Newport, Rhode Island
Details at SHD 2016


Oct. 24-26, 2016

International Map Collectors' Society (IMCoS) Annual Meeting
Hosted by the Chicago Map Society
at the Newberry Library, Chicago, IL
Followed by 50th anniversary of the Nebenzahl Lectures Oct. 27-29 and Chicago Map Fair Oct. 29-30
Details at IMCoS Events


Nov. 10-12, 2016

10th Biennial Virginia Garrett Lectures
Hosted by the Texas Map Society
University of Texas at Arlington
Details [TBD]


Nov. 15, 2016

Chet Van Duzer
New Light on Henricus Martellus’ World Map at Yale
Click here for Lecture Announcement


Announcements by RMMS Members

Michael Levine-Clark, Interim Dean and Director of the University Libraries, invites you to consider the goals, motivations and methods of collecting maps at a presentation by Wesley Brown. Wes is the founder of the Rocky Mountain Map Society. Besides collecting antique maps, Wes's talk also fosters involvement with libraries.
Date: Thursday, May 19th, 2016 at 5:30 p.m.
Location: Special Events Room (AAC 290), Anderson Academic Commons, 2150 E Evans Ave, Denver
For Details and RVSP information, see: Wes Brown Collecting Invitation

Wes Brown announces an event that will interest digital mapping and GIS aficionados:
"Come learn about The National Map, a United State Geological Survey web based mapping project. Like OSM volunteers edit structures that are in the public domain that later generates open data for communities to use." Sponsored by Maptime Mile High, Thursday, April 28, 2016 at 6:30 PM on the Auraria Campus, North Classroom Bldg, Room 3015 - 1200 Larimer Street, Denver, CO.

Our "young scholar" Mylinka Kilgore Cardona from Texas announces a NEW exhibit opening April 29
"Mapping Texas: From Frontier to the Lone Star State." A Collaborative Exhibit between the Texas General Land Office and the Witte Museum, April 29 - September 4, 2016

Jim Akerman announces: “Mapping Movement in American History and Culture” project.
The Chicago's Newberry Library, "Mapping Movement," features 400+ hi-res maps on the history travel, commerce, migration, and communications of North America from the 16th C. to the present. Most are from the Newberry's own Collections. Essays from 13 scholars offer guidance to the image archive. Images are searchable by topic and well date. Our own Susan Schulten is a contributor
Web site: Mapping Movement

John Lindemann announces: Annual meeting of the The North American Cartographic Society
Dates: October 19-22, 2016
Location: The Antlers Hotel, 4 S. Cascade Avenue, Colorado Springs, CO 80903
Details at: Call for Participation
Join professionals and enthusiasts from government, commercial, and not-for-profit groups along with academics, scholars, map/GIS librarians, artists, technologists, and students in our 36th Annual Meeting.

"THE PORTOLAN": Journal of the Washington Map Society,Issue 95 (Spring 2016) is available to Washington Map Society paid subscribers and members.

Congratulations to Dr. Martin Lockley, and his article "Tracking Ancient Raptors," which appeared on the front page of The Denver Post, Thursday, February 18, 2016. The Denver Post has also published three other news articles about Professor Lockley's research on dinosaurs.

Congratulations to William Wyckoff on his article about cartographer George Clason. The full text of the article appears at: Cartography and Capitalism: George Clason and the Mapping of Western American Development, 1903–1931. His article was just published in the April issue of the Journal of Historical Geography.

Susan Schulten, Professor of History at D.U, recommends the University of Southern Maine's exhibit, "The Golden Age of American Pictorial Maps" at the Osher Map Library and Smith Center of Cartographic Education, Portland, Maine. Dates: April 7 - September 3, 2016.

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