TY - JOUR T1 - A Letter on the Alterations That Have Taken Place in the Structure of Rocks, on the Surface of the Basaltic Country in the Counties of Derry and Antrim JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 98 SP - 187 EP - 222 PY - 1808/01/01/ UR - http://dx.doi.org/10.1098/rstl.1808.0015 M3 - doi:10.1098/rstl.1808.0015 AU - Richardson, W. ER -