Author

Denis Foley

GEONOTES  

By Denis Foley

GeoNotes: A disturbance in the force

By Denis Foley

Geo Notes 

By Denis Foley

GeoNotes

By Denis Foley

GeoNotes: ‘Texas as Art’ at Museum of the Big Bend  

By Denis Foley

Big Bend Sentinel GeoNotes 

By Denis Foley

GeoNotes

By Denis Foley