![skip primary navigation](/images/skipnav/SkipPrimary.png)
New Mexico Geology — Back-issues
Print ISSN: 0196-948X (prior to 2015)
Online ISSN: 2837-6420
Volume: 12, 1990
![cover](/publications/periodicals/nmg/12/n4/nmg_v12_n4_cover.jpg)
$2.00 Buy Print Version
Number: 4
-
Occurrence of the Lava Creek B tephra layer in the northwestern Espanola Basin, New Mexico (1.03 MB PDF), pp. 77-82.
— David P. Dethier, N. Halverson, L. Marrack, M. Meagher, E. Oelkers, C. D. Harrington, A. Sarna-Wojcicki, and C. E. Meyer -
Oil and gas discovery wells drilled in New Mexico in 1989 (1.16 MB PDF), pp. 83-89.
— Ronald F. Broadhead -
Sciponoceras gracile (Shumard) Common Upper Cretaceous guide fossil in New Mexico (503 KB PDF), pp. 90-91.
— William A. Cobban