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I see a lot of these fan like symbols:

these fan like symbols

...on the Nav Canada Alaska Highway - Fort Nelson to Northway, 1:500,000 VFR Navigation Chart, but they're not anywhere on the map legend.

I presume they're marshland as they look a little similar to symbols I've seen on hiking maps, but I don't like assuming when making flight plans!..

Is there some universal reference somewhere that I don't know about? Are they indicating marshland, or are they something else entirely?

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You can find this symbol in the "FAA Aeronautical Chart User Guide"

on page 30.

enter image description hereIt shows as "Swamps, Marshes, Bogs"

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  • $\begingroup$ Excuse my ignorance here, but what is a "hummock"? $\endgroup$ – Ralph J Jun 18 '17 at 3:07
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    $\begingroup$ hum·mock ˈhəmək/ noun noun: hummock; plural noun: hummocks a hillock, knoll, or mound. a hump or ridge in an ice field. North American a piece of forested ground rising above a marsh. $\endgroup$ – 757toga Jun 18 '17 at 3:50
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    $\begingroup$ Answers my question, thank you! Though do you know if there's a Canadian/Nav Canada reference too? The symbols look a slightly different, and it seems odd to have to look to a foreign source for map symbols. $\endgroup$ – MattMatt Jun 18 '17 at 15:40
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    $\begingroup$ Sorry, but I don't know. I would check with the Canadian Aviation authority at this website tc.gc.ca/eng/air-menu.htm $\endgroup$ – 757toga Jun 18 '17 at 18:49
  • $\begingroup$ Will do, thanks $\endgroup$ – MattMatt Jun 19 '17 at 0:10

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