Magnetometer survey possibility?

April 2, 2003

I have been in contact with Karl Butler for the past few weeks now.  Karl is a professor at the University of New Brunswick in Fredericton in the Geology department.  He was referred to me by Daryl Demerchant as being potentially interested in helping me out.   A magnetic survey of the river at the broken span area (old bridge) would help detect any remnants of heavy metal debris (Locomotive? .... Cars? .... Bridge deck?).  I wanted to know if the magnetic survey could be done on the ice and if so...could I borrow a magnetometer from them before the ice breaks up? 

Karl was intrigued by the project and agreed to help by lending me an instrument for a few weeks.  If this was going to materialize, there was no time to waste.  I needed to find out quickly where to search on the river.  I knew where the North abutment for the old bridge was located but I still didn't know exactly where the south abutment had once stood.  I got a good lead from a lawyer in town that knew who I should talk to concerning the exact location of the south abutment.  The tip paid off and the South abutment was located. 

I now needed to try and locate the collapsed span area on the river.  Having a couple of pictures of the old bridge I scaled off my measurements from the pictures in order to be able to locate the broken span on the river with a reasonable amount of accuracy.   I was now ready for the magnetometer survey.    

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