Before revision: The grid covers the region from 36°N to 85°30'N and from 44°W to 68°30' E using a set of alphanumeric identifiers, with row of latitude (identifiers 01 through 99, from south to north) cited first, then column of longitude (identifiers A0-A3, then B0-B9, C0-C9 etc., from west to east).
After revision: The grid covers the region from 36°N to 85°30'N and from 44°W to 68°30' )69°E (quoted as using a set of alphanumeric identifiers, with row of latitude (identifiers 01 through 99, from south to north) cited first, then column of longitude (identifiers A0-A3, then B0-B9, C0-C9 etc., from west to east).