Cenozoic volcanism in southwestern New MexicoWolfgang E. Elston, Stuart Alvord Northrop · First published 1976Open the Tome
Tectonics and mineral resources of southwestern North AmericaVincent Cooper Kelley, Lee A. Woodward, Stuart Alvord Northrop · First published 1976Open the Tome
History of the New Mexico Geological Society, 1947-1968Stuart Alvord Northrop · First published 1969Open the Tome
University of New Mexico contributions in geology, 1898-1964Stuart Alvord Northrop · First published 1966Open the Tome
Bibliography of theses and dissertations on New Mexico geology from institutions other than U.N.M., 1903-1963Stuart Alvord Northrop · First published 1965Open the Tome
Paleontology and stratigraphy of the Silurian rocks of the Port Daniel-Black Cape region, GaspéStuart Alvord Northrop · First published 1939Open the Tome
Paleontology and stratigraphy of the Silurian rocks off the Port Daniel-Black cape region, GaspeStuart Alvord Northrop · First published 1939Open the Tome