▁from ▁Bl uff ▁East ▁of ▁Monument ▁Creek " ▁at ▁the ▁scale ▁of ▁ ▁to ▁one - inch , ▁in ▁" Atlas ▁of ▁Colorado ▁and ▁Port ions ▁of ▁Ad j acent ▁Territ ory ." ▁ ▁Washington ▁D . C . ▁ ▁Electron ic ▁image ▁from ▁the ▁collection ▁of ▁the ▁Center ▁of ▁South west ▁Studies , ▁Fort ▁Lewis ▁College , ▁Dur ango , ▁Colorado . ▁Item . ▁ 1 9 6 5 : 1 0 0 0 3 : A 1 9 . ▁< ▁https :// web . archive . org / web / 2 0 0 7 1 2 0 7 2 0 0 0 5 6 / http :// sw center . fort le w is . edu / images / C 0 0 4 / C 0 0 4 1 9 . htm > ▁Access ed ▁ 2 0 0 7 ▁Oct . ▁ 4 . ▁ ▁Note ▁copy right ▁which ▁allows ▁use ▁for ▁private ▁scholar ship ▁and ▁by ▁university ▁press es ▁eng aging ▁in ▁non - com mer cial ▁publication . ▁ ▁Category : Univers ity ▁of ▁Colorado <0x0A> </s> ▁Thomas ▁Valley ▁is ▁a ▁valley ▁at ▁the ▁east ▁side ▁of ▁McC le ll and ▁R idge ▁in ▁the ▁east ▁part ▁of ▁Olymp us ▁Range , ▁Victoria ▁Land . ▁N amed ▁by ▁Ad vis ory ▁Committee ▁on ▁Ant ar ctic ▁Names ▁( US - AC AN ) ▁( 1 9 9 7 ) ▁after ▁Jean - Cla ude ▁Thomas , ▁an ▁Associ ate ▁Professor ▁of ▁Geography - Cart ography , ▁Catholic ▁University