TY - RPRT TI - Capitalization of positional (Lower/Middle/Upper) and temporal (Early/Middle/Late) adjectives in the names of formal chronostratigraphic and geochronologic units of the Phanerozoic AU - Lucy E. Edwards AU - Randall C. Orndorff PY - 2026 DO - 10.3133/pp1879v3b UR - https://pubs.usgs.gov/publication/pp1879v3B ID - pp1879v3B ER -