When Bob Morris visited Alan Grant at his dig site, he brought with him an xeroxed world map. Morris had marked with red dots the digs that John Hammond had personally financed. There were no digs above the forty-fifth parallel, and some of the digs listed were Alaska, Montana, Canada and Sweden. Bob Morris had several maps, listing which digs Hammond had funded in which years.
Jurassic Park by Michael Crichton page 35-36 (First Edition, Thirty Fourth printing)