GSC Open File Release Notices

Archived information

The text below is an exact reproduction of the original release notice, which was often unilingual.  It contains information that is not readily available elsewhere.  The information on pricing and availability is out of date.

Release Notice Text


MONITORING NATURAL AND MAN-MADE RADIATION BY AIRBORNE GAMMA-RAY SPECTROMETRY, KOZLODUI AREA, BULGARIA, 1990, R. Hetu, R. Ramgelov, J.A. Grant, R.L. Grasty, D. Graham, 15 p. (includes 10 colour maps at 1:20 000/y compris 10 cartes en couleurs à 1/20 000).

The survey was flown by the Airborne Geophysics Department of the Enterprise for Geophysical Exploration and Geological Mapping in Sofia, Bulgaria.

Le levé aérien a été effectué par l’Airborne Geophysics Department de la Enterprise for Geophysical Exploration Mapping de Sofia, Bulgarie.

Price/Prix: $75.00

To purchase maps or for further information/Pour l’achat des cartes ou pour plus de renseignements, contact/communiquer avec Ray Hetu at/au (613) 992-4279 or/our (Fax/télécopieur) (613) 996-9295.


{#1025, May/June 1993 circular}


Date modified: