Thanks I42 for this extra information. And, yes, I see the straight white lines in Google Earth. Amazing!
Maybe the photo below will help. I am in the white hat to the right of the post!
The post was at 23 00.701N, 55 01.261E (GPS).
Do you know of any way I can find out more about this particular airfield (see my first post to this thread)?
Photo courtesy of Bob Reimer