AS - Atlas Series
BR - Biennial Reports
B - Bulletin
C - Circular
CD - Compact Disk
CR - County Report
ES - Educational Series
GB - Guidebook Series
IM - Image Series
IS - Information Series
L - Leaflet
MA - Map Abstracts
M - Monograph
OGM - Oil and Gas Maps
OGR - Oil and Gas Reports
OGSM - Oil and Gas Special Maps
QS - Quadrangle Series
RP - Report of Progress
RS - Reprint Series
SM - Special Map
SP - Special Publications
SR - Special Reports