Mexican caves - CREER Lineas and Navigation

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306dive306

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kensuf

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A friend of mine that teaches in Mexico once sent me a photo of two arrows that were pointing towards each other. What's that about?
 
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306dive306

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A friend of mine that teaches in Mexico once sent me a photo of two arrows that were pointing towards each other. What's that about?
I have no clue. 🤷‍♂️
 

Manatee Diver

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A friend of mine that teaches in Mexico once sent me a photo of two arrows that were pointing towards each other. What's that about?

The exit is right above you?
 

halocline

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A friend of mine that teaches in Mexico once sent me a photo of two arrows that were pointing towards each other. What's that about?
I haven't seen that one, but I have seen some of the things pictured in Nat's article that was referenced in the first post on this thread. Two arrows pointing at each other is kind of like an intersection I found myself at in Boston once; three one way streets all coming together so that the only way out was to go the wrong way down one of the streets. Pretty funny. It was small residential back streets, but still.

I have to think that the arrows pointing together (no tee at that spot?) could only be someone's idea of a joke or maybe there used to be another line at that junction. Otherwise, the only thing it could mean is "you're in deep trouble, dude" :oops:
 

rjack321

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I haven't seen that one, but I have seen some of the things pictured in Nat's article that was referenced in the first post on this thread. Two arrows pointing at each other is kind of like an intersection I found myself at in Boston once; three one way streets all coming together so that the only way out was to go the wrong way down one of the streets. Pretty funny. It was small residential back streets, but still.

I have to think that the arrows pointing together (no tee at that spot?) could only be someone's idea of a joke or maybe there used to be another line at that junction. Otherwise, the only thing it could mean is "you're in deep trouble, dude" :oops:
A friend of mine that teaches in Mexico once sent me a photo of two arrows that were pointing towards each other. What's that about?

Or there is/was a vertical line going up to an air hole and that line has been cut or missing. This was the case at "emergency air cenote" in downstream Chac Mool for many years. There were arrows about 1m apart pointing towards each other and then a vertical line going up between them. I'm not remembering clearly if there was a third arrow pointing up on that vertical line or not.
 

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Or there is/was a vertical line going up to an air hole and that line has been cut or missing. This was the case at "emergency air cenote" in downstream Chac Mool for many years. There were arrows about 1m apart pointing towards each other and then a vertical line going up between them. I'm not remembering clearly if there was a third arrow pointing up on that vertical line or not.
That would be my assumption too. I've never seen them in MX, but have in France (where anything goes in cave markings anyway). I can think of one "jump" we did in Ressel that are two arrows pointing to each other. You tie in and surface in a huge air dome. Nobody warned me but somebody thought it would be a funny idea to put one of these (see link below) wearing a climbing harness right where you surface. Scared the ever living sh-t out of me. Supposedly the dude did it to have a place to keep his climbing harness for exploring the chamber. I think it's just a goof to scare people. It's a pretty rarely dove area in Ressel.

 

rjack321

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That would be my assumption too. I've never seen them in MX, but have in France (where anything goes in cave markings anyway). I can think of one "jump" we did in Ressel that are two arrows pointing to each other. You tie in and surface in a huge air dome. Nobody warned me but somebody thought it would be a funny idea to put one of these (see link below) wearing a climbing harness right where you surface. Scared the ever living sh-t out of me. Supposedly the dude did it to have a place to keep his climbing harness for exploring the chamber. I think it's just a goof to scare people. It's a pretty rarely dove area in Ressel.

"emergency air cenote" really is just for emergencies. There is an air dome above the water, in the top of that there's a tiny hole to the outside world, not even big enough for a ladder to slide through.

My avatar pic here on SB is from that dive to "Xix Ha Tunich" or "drip water stone" in Mayan which is considered the world's largest underwater stalactite. It's about 45ft tall, extending down into a large pit. You can get there and back on 1/3rds in AL80s - just barely. Hence the line and arrows of emergency air cenote in case you have a major issue back there you can at least breathe.
 
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