USGS Topo maps : r/Backcountry - Reddit
2020年7月30日 · Cool. This company prints quads for $17 ea (24"x29") on waterproof paper. You can get the latest (or almost) quads or make a custom map from the same USGS quad data, …
Creating 30-meter DEM from USGS 15-minute topo maps in QGis …
2021年11月7日 · Today, these topographic maps in question (Spirit Lake, Cougar, Elk Rock, Mount St. Helens and Toutle) are freely downloadable from the USGS National Map's …
Topo Maps : r/Ultralight - Reddit
As an old person, we used to purchase paper USGS topo maps but they were super frustrating because a portion of your trail was always on another map so you would have to buy another …
Download almost all USGS topo maps for free. : …
2015年10月15日 · I only know that CalTopo uses USGS maps. These are very often quite old. Especially for urban areas. The USGS is more likely to update wilderness areas first. If you …
I'm looking for the best source of free topographic maps. Can …
For downloading USA topo maps I primarily use the USGS 'National Map Downloader': https://viewer.nationalmap.gov/basic/ You can also use the USGS 'Earth Explorer' to browse …
Is there a way to get/make topo maps in Google Earth? : r/gis
A USGS topo can be opened in GIMP, and with a bit of work, stripped of its borders and converted to a TIFF or JPG that can then be used with GEs image overlay feature. Then if …
Question about USGS Topo Maps and CalTopo Map Sources
2024年4月25日 · Question about USGS Topo Maps and CalTopo Map Sources Recently, I discovered that you can import custom map sources to add as base layers to CalTopo. I …
Printing USGS 7.5 Minute Topo Maps Without Hillshade
2023年2月21日 · Maybe the USGS map is available as web service as well? Meaning as an WMS or ArcGIS API that you can load into a geodata program like QGIS. From there you can create …
Discrepancy between USGS topo map and DEM data? : r/gis - Reddit
2023年1月30日 · The resolution of your DEM map can potentially lead to enormous differences in elevations compared to topo maps. Topo maps often have a bunch of known datum points on …
Buying paper topo maps : r/WildernessBackpacking - Reddit
2016年7月19日 · I also find that paper maps are much easier for trip planning than any software I've tried. REI and a few other sporting goods/outdoor stores around me sell some topo maps …