Cambrian biostratigraphy in North America

<i>Lower Ordovician Trilobites from Western Utah and Eastern Nevada</i>. Lehi F. Hintze

Christina Lochman Balk · The Journal of Geology · 1954 · 131 citations

Natural Sciences, Geology, Geomorphology +7

The stratigraphic section in the vicinity of Eureka, Nevada

Thomas Nolan, Charles Warren Merriam, J. Stewart Williams · USGS professional paper · 1956 · 130 citations · Full text

Natural Sciences, Earth Sciences, Geology +13

STRATIGRAPHY, PALEONTOLOGY, AND PALEOGEOGRAPHY OF THE ELLIPTOCEPHALA ASAPHOIDES STRATA IN CAMBRIDGE AND HOOSICK QUADRANGLES, NEW YORK

Christina Lochman · Geological Society of America Bulletin · 1956 · 107 citations

Natural Sciences, Earth Sciences, Paleontology +10

General Geology of Central Cochise County, Arizona

James Gilluly · University of North Texas Digital Library (University of North Texas) · 1956 · 83 citations

Natural Sciences, Earth Sciences, Geology +4

Upper Cambrian and Lower Ordovician Trilobita and Ostracoda from Vermont

Percy E. Raymond · Geological Society of America Bulletin · 1937 · 75 citations

Natural Sciences, Ecology, Geology +6