The abstract lists Gunter with 2,346 votes in Arapahoe County, but this causes his statewide total to be 151,912 rather than the stated 151,962. The 1918 World Almanac gives Gunter 2,396 votes in Arapahoe County, which makes the county figures add up correctly.
Source for Popular Vote data: Colorado Secretary of State. Abstract of Votes Cast at General Election, Tuesday, Nov. 7, 1916, Colorado Secretary of State (https://www.sos.state.co.us/pubs/elections/Results/Abstract/pdf/1900-1999/1916AbstractBook.pdf) (accessed 22 Sep 2023)