1. Chipman sheet (west half), Queens and Sunbury counties, New Brunswick Yale Public content 1926. 2018-07-02T18:08:58Z. 2018-07-02T18:08:58Z. Dyer, William Spafford, 1894-. Geological Survey. English. cartographic image. Public. New Brunswick and Chipman Region. Paleozoic and From 230 to 570 million years ago.