Colorado taxation 1939 internal revenue collections show gain in Colorado: Post. Apr. 5, 1939 p.& Colorado paid record sum bjr drivers in 1944: Post. Jan-.5,1941 sec.5 p.8 18 million dollars collected by internal revenue bureau in Colo. July 1 to Dec. 31, 1940: Post. Jan a 2,1941 sec.1 p.14 Counties reveal adjustments of rail tax claims. Post. July 24,1940 p.18 Valuations raised. 31 millions by tax commission. Post. Sept. 30,1940 p.1 l