Newsletters High Plains Shifter The official newsletter of the Rocky Mountain Chapter Vol. 31 No. 4 – 2024 Vol. 31 No. 3 – 2024 Vol. 31 No. 2 – 2024 Vol. 31 No. 1 – 2024 Vol. 30 No. 4 – 2023 Vol. 30 No. 3 – 2023 Vol. 30 No. 2 – 2023 Vol. 30 No. 1 – 2023 Vol. 29 No. 4 – 2022 Vol. 29 No. 3 – 2022 Vol. 29 No. 2 – 2022 Vol. 29 No. 1 – 2022 Vol. 28 No. 4 – 2021 Vol. 28 No. 3 – 2021 Vol. 28 No. 2 – 2021 Vol. 28 No. 1 – 2021 Vol. 27 No. 4 – 2020 Vol. 27 No. 3 – 2020 Vol. 27 No. 2 – 2020 Vol. 27 No. 1 – 2020 Vol. 26 No. 4 – 2019 Vol. 26 No. 3 – 2019 Vol. 26 No. 2 – 2019 Vol. 26 No. 1 – 2019 Vol. 25 No. 4 – 2018 Vol. 25 No. 3 – 2018 Vol. 25 No. 2 – 2018 Vol. 25 No. 1 – 2018 Vol. 24 No. 4 – 2017 Vol. 24 No. 3 – 2017 Vol. 24 No. 2 – 2017 Vol. 24 No. 1 – 2017 Vol. 23 No. 4 – 2016 Vol. 23 No. 3 – 2016 Vol. 23 No. 2 – 2016 Vol. 23 No. 1 – 2016 Vol. 22 No. 4 – 2015 Vol. 22 No. 3 – 2015 Vol. 22 No. 2 – 2015 Vol. 22 No. 1 – 2015 Vol. 21 No. 6 – 2014 Vol. 21 No. 5 – 2014 Vol. 21 No. 4 – 2014 Vol. 21 No. 3 – 2014 Vol. 21 No. 2 – 2014 Vol. 21 No. 1 – 2014 Vol. 20 No. 6 – 2013 Vol. 20 No. 5 – 2013 Vol. 20 No. 4 – 2013 Vol. 20 No. 3 – 2013 Vol. 20 No. 2 – 2013 Vol. 20 No. 1 – 2013 Vol. 20 No. 1 – 2013 Vol. 19 No. 6 – 2012 Vol. 19 No. 5 – 2012 Vol. 19 No. 4 – 2012 Vol. 19 No. 3 – 2012 Vol. 19 No. 2 – 2012 Vol. 19 No. 1 – 2012 Vol. 18 No. 6 – 2011 Vol. 18 No. 5 – 2011 Vol. 18 No. 4 – 2011 Vol. 18 No. 3 – 2011 Vol. 18 No. 2 – 2011 Vol. 18 No. 1 – 2011 Vol. 17 No. 6 – 2010 Vol. 17 No. 5 – 2010 Vol. 17 No. 4 – 2010 Vol. 17 No. 3 – 2010 Vol. 17 No. 2 – 2010 Vol. 17 No. 1 – 2010 Vol. 16 No. 6 – 2009 Vol. 16 No. 5 – 2009 Vol. 16 No. 4 – 2009 Vol. 16 No. 3 – 2009 Vol. 16 No. 2 – 2009 Vol. 16 No. 1 – 2009 Vol. 15 No. 6 – 2008 Vol. 15 No. 5 – 2008 Vol. 15 No. 4 – 2008 Vol. 15 No. 3 – 2008 Vol. 15 No. 2 – 2008 Vol. 14 No. 6 – 2007 Vol. 14 No. 5 – 2007 Vol. 14 No. 4 – 2007 Vol. 14 No. 3 – 2007 Vol. 14 No. 2 – 2007 Vol. 14 No. 1 – 2007