(37596) Cotahuasi = 1991 VV6 The Cotahuasi Canyon, near the Peruvian city of Arequipa, was formed by the Cotahuasi river. Running between the enormous mountain massifs of Coropuna (6425 m) and Sulimana (6093m), it is the deepest canyon (3354 m) in the world.
A complete set of naming citations of the numbered minor planets is available in the Dictionary of Minor Planet Names, edited by Lutz Schmadel.