The top photo is the sketch of the original dredger designed by Cummins. The middle photo is the finished auger-type dredger by Devald that is still in use. The bottom photo is the latest in equipment designed by Konijn for clearing silt from waterways.
Breaking up land (3000 acres) on the Colbar Marsh north Bradford in the New Marsh around 1950 with a one-furrow plow. Lou Neilly (a World War II fighter pilot from Gilford) is driving the tractor and Jack Armstrong is on the plow.
The lattice type bridge, built in 1908, over the Holland River, east of Bradford. This photo, taken in the late summer of 1925, shows the two white houseboats that followed the dredge on the right hand side of the picture.
