Philips Jansz van Haerlem is mentioned by David Pietersz de Vries, in his Korte Historiael, as a young man whom he engaged in June 1635 to pilot his vessel from Sandy Hook to New Amsterdam and who formerly had been in his service in the East Indies.

Crijn Fredericksz is mentioned in Nicolaes van Wassenaer, Historisch Verhael, under date of November 1626, as an engineer who staked out the fort at New Amsterdam.

This makes the distance from Beeren Island to Moenemin's Castle, which on the original map is equal to 67+1⁄2 inches, exactly 4 Dutch miles, or the extent of territory allowed on one side of a navigable river by the fifth article of the Charter of Freedoms and Exemptions.

It will be noticed that of most creeks only the mouths are indicated and that of others, which are traced for some distance into the country, the direction bears as a rule no relation to the configuration of the ground, which was probably sketched in from some high point after the survey of the shore line and the islands had been completed.

[5] The inscriptions at the top of the map are as follows: Dutch: A.° 1630 adij 28 lulij, heeft Killiaen van Renselaer doen coopen vande Natien genaemt de Mahikans hare Landerijen ende Iurisdictie van dien gelegen aende Westsijde vande Noord-Rievier besuijd ende benoorden het Fort Orangen, volgens de bezegelde brieven voor Dierecteur ende Raden der geoctroijeerde West Indischie Comp.

Item van Nawanemit int particulier sijne Landerijen genaemt Semesseeck gelegen aende Oost zijde vande Rievier voorsz.

tegen over het fort Orangen soo boven als beneden ende van Paetanock de Meulenkil noord-waerd aen tot Negagonce toe.

English: Anno 1630, on the 28th day of July, Killiaen van Rensselaer caused to be purchased from the nations called the Mahikans their lands and the jurisdiction thereof, situated on the west side of the North River,[b] south and north of Fort Orange, according to the sealed conveyance executed before the director and council of the Chartered West India Company by Cottomack and Nawanemit, Abantzene, Sagisquwa and Kanamoack, on the 8th of August, Anno 1630.

Also from Nawanemit individually his lands called Semesseeck, situated on the east side of the river aforesaid, opposite Fort Orange, above as well as below, and from Paetanock, the mill creek, northward to Negagonce.

English: Opposite the Fort, on the south corner of de Laet's Island,[d] many birds are to be shot, such as geese, swans, wild ducks and cranes, and turkeys are found in the woods.

[7] Dutch: Op de Laets Eijlandt sijn veel hooge ende rechte boomen bequaem om riemen van te maken, vande Maquaas canmen (principael inde Winter) Hertten Vleesch genoeg krijgen dot vett ende schoon is, ontrent 3, 4, oft 5 handt Zeewan voor een hert.