Can anyone help identify these symbols from 1876 PA?

[Samewrai]

I've found these on a lot of maps published by G. M. Hopkins & Co. but none of the symbols show up in any legends I've seen. They're usually along streams or roads, but sometimes they're just out in the middle of nowhere.

 

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[JOHUNT]

I suppose they could indicate rock quarries.

 

[Gold Maven]

Check them against newer maps of the same area and see if the symbols have changed to something understandable.

 

[Wyomingmedic]

I have an old mapping software that I use a lot. It has a symbol SORTA like that.

They classify it as a "draw".

Maybe but maybe not. Hopefully it is a piece of the puzzle.

WM