- SOURCES:
- https://rwer.wordpress.com/2018/03/03/u-s-union-membership-and-top-10-income-share-1917-2014/
- https://www.npr.org/sections/money/2015/02/23/385843576/50-years-of-shrinking-union-membership-in-one-map
- https://www.dws.state.nm.us/Portals/0/DM/LMI/NM_Data_Focus_Union_Membership_2023.pdf
- https://www.dws.state.nm.us/Portals/0/DM/LMI/NM_Data_Focus_Union_Membership.pdf