Read pp. 35-134 of: Faber-Langendoen (2016). Classification and Description of World Formation Types
Accessed from https://www.fs.fed.us/rm/pubs/rmrs_gtr346.pdf , on 5 Sepember 2020.
4.5 MB · PDF
Click Faber-Langendoen et al. (2016). World Formations.pdf link to view the file.