> > > -- > > I've always understood that the main factor (on the northern BCN) was > > the pure number of boats - as soon as flowback started another boat > > came, again and again and........... (bearing in mind these were all > > dayboats doing the same run day in day out). > > John > > I agree, I'm sure the effect isn't noticable with one boat. One > wonders if a large fleet of motor boats would cause the same effect? > Did they have the same effect once motor tugs took over? > > -- > Michael Askin
I don't think there was ever a case of a 'take over'. It would have been more of a case of all horses, then some horse some motors with a gradually declining number of horses. Remember Caggy Stevens was using horses through the 50s and possibly into the 60s. John
