4) A VTEM to be talked about......Nah that's probably only for internal use only.
Does this not refer to the above? from the Ontario Ministry site
VTEM study
Publication Release Notice
July-12-09
7:53 PM
Precambrian Geoscience
Airborne Magnetic and Electromagnetic Survey
Night Hawk Lake Area—Purchased Data
1:20 000 Scale Map Sheets
Map 60 191
Airborne Magnetic and Electromagnetic Surveys, Colour-filled Contours of the Residual Magnetic Field and Electromagnetic Anomalies, Night Hawk Lake Area—Purchased Data; by Ontario Geological Survey, scale 1:20 000, colour. $15.00.
Map 60 192
Airborne Magnetic and Electromagnetic Surveys, Shaded Colour Image of the Second Vertical Derivative of the Residual Magnetic Field and Keating Coefficients, Night Hawk Lake Area—Purchased Data; by Ontario Geological Survey, scale 1:20 000, colour. $15.00.
Map 60 193
Airborne Magnetic and Electromagnetic Surveys, Colour-filled Contours of the EM Decay Constant and Electromagnetic Anomalies, Night Hawk Lake Area—Purchased Data; by Ontario Geological Survey, scale 1:20 000, colour. $15.00.
Map 60 194
Airborne Magnetic and Electromagnetic Surveys, Colour-filled Contours of the Apparent Conductance and Electromagnetic Anomalies, Night Hawk Lake Area—Purchased Data; by Ontario Geological Survey, scale 1:20 000, colour. $15.00.
Geophysical Data Set
Geophysical Data Set 1231
Ontario Airborne Geophysical Surveys, Magnetic and Electromagnetic Data, Grid and Profile Data (ASCII and Geosoft® Formats) and Vector Data, Night Hawk Lake Area—Purchased Data; by Ontario Geological Survey. The data are available on 1 DVD. $25.00.
Inserted from <http://www.mndm.gov.on.ca/mines/ogs/ims/pub/releases_e.asp>