Elgin - Sheet Details
	Sheet number		Dates
	VII.12.16		Survey: [1868]
	VII.12.17		Survey: [1868]
	VII.12.21		Survey: [1868]
	VII.12.22		Survey: [1868]
	VII.12.23		Survey: [1868]
	VII.15.10		Survey: [1868]
	VII.16.1		Survey: [1868]
	VII.16.2		Survey: [1868]
	VII.16.3		Survey: [1868]
	VII.16.6		Survey: [1868]
	VII.16.7		Survey: [1868]
	VII.16.11		Survey: [1868]
	VII.16.12		Survey: [1868]