a bunch of people, paul cohen had written about him and had been very intrigued but had not found all that much material. i discovered a geographer who did a topographical reconstruction of the island also paced on randel's data. he had tried to find a lot of material on randel. ralph gray of the national, he wrote a book called "the national waterway," had tracked down a lot of randel who did work on the chesapeake canal, and he had discovered randel had been embroiled in this lawsuit. there were letters, some letters in albany, there were some down in delaware, there were some in maryland, there were some that i recalled from virginia. i think he had a relative in texas. there was stuff in new jersey. it was all over the place. and it took a long time to get the elements. most of it, however, turned out to be in the new york historical society in these notebooks, these field books. and that covers mostly the period of time that randel was working on the island. so it's actually the era of randel's life that we know the most about, because we looked as these notebook withs. he was bo