Correction note for Kellogg, K.S., Shroba, R.R., Ruleman, C.A., Bohannon, R.G., William C. McIntosh, Premo, W.R., Cosca, M.A., Moscati, R.J.,and Brandt, T.R., 2017, Geologic map of the upper Arkansas River valley region, north-central Colorado: U.S. Geological Survey Scientific Investigations Map 3382, pamphlet 70 p., 2 sheets scale 1:50,000, https://doi.org/10.3133/sim3382. ----------------------------------------------------------------- Level 1 corrections April, 2018 Replaced sheet 2 with the correct version (old version online had the generic line for a version number, which was not needed). ----------------------------------------------------------------- Level 1 corrections February, 2018 The corrections were made as follows: SIM3382.pdf, p.17: The sentence "The combined output from these two districts is estimated to be 10,000,000 to 15,000,00 dollars at time of production) worth of ore." was corrected to add an additional zero to the last digit of "15,000,00" so that the correct number "15,000,000" was in the pamphlet. sim3382_sheet2.pdf: In the explanation the color for the lineament was corrected to the same blue as on the main map sheet (sim3382_sheet1) ------------------------------------------------------------------ Version 1.0 November 17, 2017 Initial release online at https://pubs.er.usgs.gov/publication/sim3382 ------------------------------------------------------------------