The History of the Several Towns, Manors, and Patents of the County of Westchester (1881 revised edition, Vol. I)
Nothing can be finer than the views from this beautiful spot, which commands a most extensive prospect of eight counties, viz : Suffolk, Queens and Kings, Long Island ; Fairfield, Conn.; Putnam, New York; Rockland, Orange and Bergen; besides beautiful views of the North and East rivers, the Palisades and the Hook on the west side of the former, the Dunderberg or Bread Tray Mountain, (so called on account of its shape.) on which the line runs between Orange and Rockland Counties. Bear Ridge, too, is noted as being the water-shed of this section of Westchester County -- on the east the Bronx, which rises in the Dark valley, within only threequarters of a mile, flows into the East River ; while on the west, the Nepera, which has its source from among the springs or little trout streams of the neighborhood, rising from Prospect Ridge, Fox Hill, Locust Hill and other high points. The neighboring estates belong to the late James M. Bard-^Fairview, to James V. Stoutenburg ; Valleyview, to Edward Haight; Brook Dale, to David H. Lane; Prospect Hill, to Stephen White; Casa Perdida, to E. C. F. Judson; Palmer Homestead, to John W. Palmer; Fruit Farm, to G. M. Purdy; and Prospect Ridge, to D. Hull, with many others.
" There is in this town a great variety of timber and wood, being a good proportion of almost every kind which is known to grow in this part of the counrty." The surface of the town is mostly hilly, the soil productive and well cultivated. Mount Pleasant has the reputation of being rich in mineral productions; an iron mine has recently been opened on the land of the late David Acker. Native iron ore also (probably of meteoric origin) is frequently found on the surface of the earth in various parts of the town.