I am a DMC in Denver looking for advice on mapping the Blue Hole in New Mexico, any suggestions?
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Scuba and Dream:-..........surface.......-
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No offense, but you would be better off mapping the lake (I forget the name now) that is 500 yards from the BH (that has a plane in it)...or you might as well map an olympic swimming pool.
That depends on your goal and how much detail and time you want to put into it.
Divedoggie:I mapped BH (in color) for my DM requirements.
I did a bird's eye view of the area, including the buildings, trees, and rock formations.
You could see the grate, buoys, platforms, stairs, giant stride platform, etc. I walked around, took notes and photos, and took some measurements and compass bearings.
Then I did a side view showing depth, floor relief, platforms, curious and skull, and the general shape. On the dives, I took many notes on my slate, and recorded measurements. I also referred to a number of pics and video that are available in the RMO past threads on Scubaboard!
Measurements were taken with a 100 ft tape measure from North to South and then from East to West at 80', 60', 40', 20', and at the surface.
I also recorded max depth and depth and location of overhangs, etc.
It was a fun project.
It would be great to do all over again and use the computer topo info that amascuba put together!
Perch Lake. And it's a mile or two away...Scuba and Dream:No offense, but you would be better off mapping the lake (I forget the name now) that is 500 yards from the BH (that has a plane in it)...or you might as well map an olympic swimming pool.