What maps do you carry?
- Mike M.
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Re: What maps do you carry?
I rely on the old 15" U.S. Geological Survey maps (I have an extensive collection). If I plan to travel a new and difficult route, I'll use my TOPO! electronic maps to print out a portion of the route in 7.5" format. I like the Tom Harrison maps when they are available in 15" format (they are durable and updated), but rarely buy them because my trusty Geological Survey maps continue to be servicable. Generally, I find the 7.5" maps to be myopic, way too micro for most purposes. I do not use GPS and waypoints, much preferring the old fashioned paper maps coupled with common mountaineering sense.
By the way, there was a post here (it was moved to the gear board) that talked about a great deal for TOPO! customers to upgrade to new state maps. The idea was that owners of Wildflower Productions TOPO! regional series maps could upgrade to a National Geographic TOPO state series map for only $19.95, plus shipping. When I called, National Geographic told me it wasn't true, the offer did not exist. I wonder if the original poster can shed some light on this. (I posted this on the gear board too but it is not as active as this board.)
Mike
By the way, there was a post here (it was moved to the gear board) that talked about a great deal for TOPO! customers to upgrade to new state maps. The idea was that owners of Wildflower Productions TOPO! regional series maps could upgrade to a National Geographic TOPO state series map for only $19.95, plus shipping. When I called, National Geographic told me it wasn't true, the offer did not exist. I wonder if the original poster can shed some light on this. (I posted this on the gear board too but it is not as active as this board.)
Mike
- EpicSteve
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Re: What maps do you carry?
I do advance research online at MyTopo.com and also on paper with Tom Harrison and/or NatGeo maps for a good overview. I carry USGS 7.5 minute maps in a large ziploc bag in my pack. I do a lot of off-trail routes and I like the detail of the 7.5 minute series, but sometimes that scale does mean carrying a lot of maps to cover a single trip. I trim the edges off to save weight.
Rarely do I need my trusty 34-year-old Silva Ranger compass, but I carry it on every trip, just in case. It never loses its bearing due to thick forest canopy, steep canyon walls, or a dead battery. But that's a discussion for another thread, I suppose.
I've been thinking about buying NatGeo's California topo map software, but then I'd have to buy a better printer. Time will tell. I'd love the freedom to choose which portion of the map I want to print, rather than being stuck with pre-determined map borders.
Rarely do I need my trusty 34-year-old Silva Ranger compass, but I carry it on every trip, just in case. It never loses its bearing due to thick forest canopy, steep canyon walls, or a dead battery. But that's a discussion for another thread, I suppose.
I've been thinking about buying NatGeo's California topo map software, but then I'd have to buy a better printer. Time will tell. I'd love the freedom to choose which portion of the map I want to print, rather than being stuck with pre-determined map borders.
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- Walter Bonatti
- copeg
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Re: What maps do you carry?
Usually carry a Tom Harrison when covering longer distances, but for x-country I feel the detail in them is just too shallow so I'll usually print my own from maps downloaded from USGS. I always love carrying the large scale Tom Harrison's regardless, love spreading it out on a trip and studying the nooks and crannies, identifying peaks and valleys that would take dozens of 7.5: USGS maps to identify.
- dave54
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Re: What maps do you carry?
Been mentioned before, but the Lassen and Plumas NF web sites have topo quads online. pdf files. 8.5x11 so you can print on your home printer (tip: use photo paper for a cleaner image).
From the individual forest web site go to the Maps & Publications section, then Print Quad Maps
These quads have been made for every California NF, but only these two have put them online for public downloading (I haven't checked every NF in a while, if someone finds other forests have done so please post back here).
From the individual forest web site go to the Maps & Publications section, then Print Quad Maps
These quads have been made for every California NF, but only these two have put them online for public downloading (I haven't checked every NF in a while, if someone finds other forests have done so please post back here).
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- Ikan Mas
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Re: What maps do you carry?
Tom Harrison maps all the way. NG maps are hard to read and often leave out important details. The one I bought last year for Mt. Rainieer left out a part of a trail that connects from Crystal Lake to the PCT, an important deail. Even the NPS pamphlets they pass out at the gate showed the connection. Funny, an organization that basically invented the concept of modern maps is such a failure when it comes to current implementation.
- ERIC
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Re: What maps do you carry?
Very true about the accuracy of USGS quads. I'm not quite sure how old that trail segment is, but something I always check is to see what year a particular quad was last updated. In TOPO! you can simply right mouse click on the display and select properties to see the year.Ikan Mas wrote:Tom Harrison maps all the way. NG maps are hard to read and often leave out important details. The one I bought last year for Mt. Rainieer left out a part of a trail that connects from Crystal Lake to the PCT, an important deail. Even the NPS pamphlets they pass out at the gate showed the connection. Funny, an organization that basically invented the concept of modern maps is such a failure when it comes to current implementation.
Harrison maps are choice. I'm just too cheap to buy them.
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- Sloop
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Re: What maps do you carry?
I guess i just got sold on the NG maps because they cover all areas of the country and one map, unlike the USGS quads, covers the entire area that i'm hiking. For my next trip, which is in the sierras, I'll have to check out those tom harrison maps.
- ERIC
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Re: What maps do you carry?
Someone might be able to correct me here, but I 'think' the NG maps are nothing more than cleaned up USGS maps that are stitched together to be seamless. As far as I know, USGS quads have full coverage of the USA. TH maps are a bit different, as I believe he creates most of the features found on the maps from scratch.
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- dave54
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Re: What maps do you carry?
All maps, regardless of source, are only as accurate as the last update.
The problem with NG maps, or any seamless map set, is the marginal information is removed. So you have no idea when the map was last updated (and which features were updated), which may be a different date from just a few miles away.
I like the marginal information on my maps. Too much valuable information there to just cut off and discard.
The problem with NG maps, or any seamless map set, is the marginal information is removed. So you have no idea when the map was last updated (and which features were updated), which may be a different date from just a few miles away.
I like the marginal information on my maps. Too much valuable information there to just cut off and discard.
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- ERIC
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Re: What maps do you carry?
I don't have one of the newer versions of NG TOPO! but on the version I have, you can right-mouse-click anywhere on the map display and bring up "About This Map" from the menu for some of the marginal info. It doesn't provide you with everything hard copy margins contain, but it does at least provide the quad name, map version, year of last update and elevation source/vertical precision info.dave54 wrote:All maps, regardless of source, are only as accurate as the last update.
The problem with NG maps, or any seamless map set, is the marginal information is removed. So you have no idea when the map was last updated (and which features were updated), which may be a different date from just a few miles away.
I like the marginal information on my maps. Too much valuable information there to just cut off and discard.
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