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Add CalTopo 7.5" (24k) USGS Topos!

msrmaps is going away, add these just in time!

I contacted them about using their tiles. I'm a bit unclear on the license (if there is one?), because it isn't displayed on their home page, but what I mentioned what I wanted to do with them (use them to make my own custom topos for free redistribution) he said that was OK:

"Because the underlying data is public domain I don't know if I could actually prevent someone from reassembling the tiles into a map, but I wouldn't want to even if I could.  By all means feel free to do what you're describing."

When I asked about using the tiles in Viking, he basically said go ahead: "You guys should go ahead and use the tiles, and if bandwidth becomes a concern we can sort it out then."

Signed-off-by: Guilhem Bonnefille <>
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Evan Battaglia authored and guyou committed May 10, 2012
1 parent 29f1598 commit c2b155840de9d96ccbed206e3ac0db2e11b09fc9
Showing with 9 additions and 0 deletions.
  1. +9 −0 data/maps.xml
@@ -29,6 +29,15 @@
<property name="license">CC-BY-SA</property>
<property name="license-url"></property>
+ <object class="VikSlippyMapSource">
+ <property name="id">29</property>
+ <property name="label">CalTopo USGS 7.5" Topos</property>
+ <property name="hostname"></property>
+ <property name="url">/caltopo/topo/%d/%d/%d.png?v=1</property>
+ <property name="copyright">CalTopo Terms of Use</property>
+ <property name="license">CalTopo Terms of Use</property>
+ <property name="license-url"></property>
+ </object>
<object class="VikTmsMapSource">
<property name="id">50</property>
<property name="label">SPOTMaps</property>

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