Support Guide for Installation and Operation of Geoid 2012a in Leica Geo Office June 20, 2013 Dan Blais Leica Geo Office Guide for Installation and Operation of the New Geoid 2012a Model. GEOID12A.pdf – Instructions MTS_Full_Coverage_12A.zip – Geoid for ME, NH, MA, CT, RI , VT and NY Region Geod12NH_VT_ME.zip – Geoid for NH, VT and ME Region Geoid12MA_CT_RI.zip – Geoid for MA, CT and RI Region NY Geoid 12.zip – Geoid for NY only Region