so whats wrong with cts, page-7

Altitude is not a problem for Peruvians:

Newmont Mining: Yanacocha Gold = 4120m at $217/oz
Xstrata: Tintaya Copper = 4100m at $0.55/lb
Pan American Silver: Quiruvilca Silver = 4050m at $4.03/lb
Pan American Silver: Huaron Silver/Zinc = 4200m at $2.41/lb
Peru Copper: Toromocho Copper = 4900m at $0.52/lb

from a Solex Presentation (slide 19)
http://www.solexresources.com/i/pdf/Solex%20PPT%20March%2028%202008.pdf

Oh, and Range Resources? Exactly! LOL