i noticed tonka tower isn't on the site. here's the info i came up with.
tonka tower - it's the middle cluster of lines southwest of duck-on-the-rock
GPS- N 38.687/W 109.537
prominence- 140'(not sure if i did this part correctly. sorry, it's been awhile. my math- there is 3 closed contours= 120'+ 20' for interpolation. the tower is 150 feet high)
elevation- 5,300'(based on my prominence calculations)
rating- 5.8, A0
parent- elephant butte
jamie