PT - JOURNAL ARTICLE AU - Dana, James D. TI - Geological relations of the limestone belts of Westchester County, New York AID - 10.2475/ajs.s3-20.117.194 DP - 1880 Sep 01 TA - American Journal of Science PG - 194--220 VI - s3-20 IP - 117 4099 - http://www.ajsonline.org/content/s3-20/117/194.short 4100 - http://www.ajsonline.org/content/s3-20/117/194.full SO - Am J Sci1880 Sep 01; s3-20