TY  - RPRT
TI  - Diverse gas plays lurk in gas resource pyramid
AU  - Vello A. Kuuskraa
AU  - James W. Schmoker
AU  - Thaddeus S. Dyman
PY  - 1998
UR  - https://pubs.usgs.gov/publication/70020799
ID  - 70020799
ER  -