TY - JOUR T1 - Extracts of Two Letters, Written by the Ingenious Mr. Adam Martindale to the Publisher from Rotherton in Cheshire, Novemb. 12. and Nov. 26. 1670. Concerning the Discovery of a Rock of Natural Salt in That Country JF - Philosophical Transactions (1665-1678) VL - 5 SP - 2015 EP - 2017 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1670.0033 M3 - doi:10.1098/rstl.1670.0033 AU - Martindale, A. ER -