Images of transboundary watersheds and aquifers: Upper image: transboundary waters between USA and Canada from https://ijc.org/en/transboundary-waters ( via https://sfba.social/@KeithDJohnson/111938732680067900 ) Lower image: Transboundary aquifers between USA and Mexico, from " Transboundary Aquifers between Baja California, Sonora and Chihuahua, Mexico, and California, Arizona and New Mexico, United States: Identification and Categorization by Rosario Sanchez and Laura Rodriguez" ( https://www.mdpi.com/2073-4441/13/20/2878 )

Feels like a good time to remember the flows of water, and #transboundary watersheds of Turtle Island...

( image references in alt, #transboundariness )