Riedel, J.L. “Deglaciation of the North Cascade Range, Washington and British Columbia, from the Last Glacial Maximum to the Holocene”. Cuadernos de Investigación Geográfica 43, no. 2 (September 15, 2017): 467–496. Accessed May 6, 2024. https://publicaciones.unirioja.es/ojs/index.php/cig/article/view/3236.