sentences:  He was especially interested in geology, and became an expert on the bedrock and fossils of PEI.In an 1882 study, he proposed that it would be possible to dig a tunnel under the Northumberland Strait, which would have enabled the federal government to honour its commitment made when PEI entered Confederation, that constant communication with the mainland be provided.He would later be hired by the federal government to do a more in-depth investigation of the idea, although it was never carried out.