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Tag:

historic topo maps

Gaia GPSNew Maps

Explore the Past with Two New Historical Maps in Gaia GPS

by Mary Cochenour July 15, 2021
written by Mary Cochenour

Unlock the mystery of the past with two new historical topo maps in Gaia GPS. We’ve added the official USGS topographic maps from 1960 and 1980 to round out our collection of historical maps. These maps can help you discover little-known ghost towns and visit deserted homesteads.

Whether you’re curious about the history of development in your neighborhood or wonder where miners had prospects, these maps can help you see what the land looked like in years past. Use these maps to plan your next adventure to historically rich and significant places both in town and out in the backcountry.

USGS Historical Topo 1960 and 1980

iMac displaying Gaia GPS map of Salt Lake City, USGS Historic Topo 1960
Salt Lake City, Historic Topo 1960

The new Historic Topo 1960 map includes USGS topo quadrangle maps published and updated between the 1950s and 1970s. The Historic Topo 1980 map was published and updated between 1970 and 1990. Coupled with Gaia GPS’s Historic 1900 and 1930 topo maps, these maps document historical features as they changed over the last century, from 1895 to 1990.

You can also go deeper into the history of an area by viewing the Native Lands map. Available for free in the Gaia GPS app and web map, the Native Lands map marks traditional Indigenous territories across the Americas, Australia, New Zealand, and, increasingly, worldwide. Learn more about the past, present, and future of Indigenous territories while planning a trip to a new area or adventuring near your backyard.

How to Use Historical Topo Maps to Find Abandoned Mines, Homesteads, and Ghost Towns

Historical maps in Gaia GPS make it easy to scout out new adventures to ghost towns, abandoned mines, and lonely homesteads. Here’s how:

  1. First, select a destination you would like to explore and examine it on a current up-to-date base map, like our flagship map Gaia Topo. Find a geographical region of historical interest.
  2. Add the Historical Topo map from any era: 1900, 1930, 1960, or 1980.
  3. Turn up the opacity on the historical maps, and turn down the opacity of Gaia Topo, so that you see the information in the hisstorical maps is prominently displayed.
  4. Browse the historical maps in that area, looking for interesting manmade structures and features that you didn’t see on the current basemap, such as fences, tunnels, mines, and ranches.
  5. Drop a waypoint on the map to mark the location of interest.
  6. Next, switch map sources to high-resolution satellite imagery to get a bird’s eye view of the area.
  7. Zoom in on the area around your waypoint. Closely examine the landscape to see if you can spot remaining structures or crumbled foundations at the abandoned site.
  8. Pull up a modern map, like Gaia Topo or USGS Topo , and create a route on existing roads and trails to the waypoint you’ve saved on the map.

How to Access Historical Maps

iMac screen displaying 1960 historic topo map

Access the 1900, 1930, 1960, 1980 historical USGS topo maps with a Gaia GPS Premium Membership. To add the historical map layers to your active maps in the iOS or Android app or on the web, simply select the map layers button, tap “Add map layers” and select “United States.” Choose from Historic Topo 1900, Historic Topo 1930, Historic Topo 1960, and Historic Topo 1980. View the maps in succession to see how historical features in a particular region have changed over time.

July 15, 2021
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A screenshot of the Historic Topo 1900 map on gaiagps.com shows archival map footage of Leadville, Colorado. There are multiple train lines running into the downtown.
Gaia GPSNew Maps

See a Snapshot of the Past With Historical Topo Maps

by Abby Levene January 27, 2021
written by Abby Levene

Go back in time with the newly updated Historic Topo maps. Join experts in using these maps to research areas steeped in history. See how your hometown has changed. Search for undiscovered historic sites. Or turn any hike into a walk through the past with this quilt of scanned archival maps. Enjoy higher image quality plus more coverage of the continental United States, Alaska, Hawaii, and Puerto Rico thanks to fresh updates to these layers.

Two map sources provide two different periods of history to examine: the Historic Topo 1900 shows digitized historic topographic maps from 1885 to 1915. The Historic Topo 1930 shows digitized USGS topo maps from around 1930.

Preserving the Past through Patented Digitization

Scientists, historians, environmentalists, genealogists, and others researching a particular area use these Historic Topo maps to aid in their work. Use these historic maps to see snapshots of the country’s physical and cultural features at a particular time. Or compare maps to see how an area has evolved.

These maps come from The National Map’s Historical Topographic Map Collection (HTMC). HTMC maps are published in Portable Document Format (PDF) with geospatial extensions (GeoPDF®), patented by TerraGo Technologies. In 2011, USGS released these high-resolution scans of more than 178,000 historical topographic maps of the United States. Now you can easily access them at home on gaiagps.com or in the field on your iOS or Android device.

Historic Topo 1900 shows the first telegraph line from Brest, France to Duxbury, MA.

Two Historic Topo Maps Document 1885-1930

Gaia GPS offers two topo map layers from the late 19th and early 20th centuries. Historic Topo 1900 shows digitized historic topographic maps from the continental United States and Hawaii from 1885 to 1915. Use this layer to get a sense of the US from the time the Dakotas were ratified as states (1889) to Arizona (1912). You can now enjoy roughly 150 million acres in new coverage.

Historic Topo 1930 shows digitized USGS topo maps for the continental United States and Hawaii, circa 1930. See what the US looked like at the dawn of the Great Depression. Explore 190 million acres in new coverage with this updated map.

Map scales for both layers include 24k, 31,680, 48k, 62,500, 96k, 125k, 192k, and 250k. When multiple maps covers the same area, maps get stacked upon each other until you zoom further into a particular area.

Take a Walk Through Time

A gif shows maps from 1900, 1930, and present day of San Fransisco. Notably, the Golden Gate bridge is missing from the first two.
Historic maps show how San Fransisco has changed over the past century.

Use the historical maps to see bygone features, and get to know an area in a whole new way.

  • Download a map for your area to see old rail road lines, street names, town lines.
  • Pair Historic Topo maps with your favorite base layer, such as the Gaia Topo, to get your bearings.
  • Toggle between current maps like Gaia Topo and these historic map layers to quickly compare and contrast how an area has changed.
  • Find overgrown stone foundations and settlements.
  • Discover old bridle and carriage paths, which may still be passable.
  • See old telegraph lines running under the ocean.
  • Use these maps to help on treasure hunts.

Remember to be mindful of who’s land you are on. You can check land ownership using the Public Land (US) and Private Land (US) map layers. You can also learn more about the history of an area by viewing the Native Lands map.

How to Get the Historical Topo Maps

The Historical Topo maps are available with a Premium Membership. To add these maps to your Gaia GPS app, open the app, tap the layers icon, and select “Add map layers.” Go to “United States” and select the Historical Topo 1900 and/or Historical Topo 1930.

To add these maps to your Gaia GPS account on the web, go to gaiagps.com/map. Click the layers icon, and select “Add map layers.” Go to “United States” and select the Historical Topo 1900 and/or Historical Topo 1930.

January 27, 2021
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