Northampton sheets with Boston and Maine RR Trackage 
Roughly in order, North to South
 
1884 Maps 
 4
 5
 6
 2
 
1889 Maps 
 13
 4
 5
 6
 16
 
1895 Maps 
 16
 3
 5
 11
 13
 14

1902 Maps 
 16
 15
 10
 6
 7
 2
 29

1910 Maps 
 9 (roundhouse - track may be NYNH&H)
 30-7
 19
 15
 6
 10-11
 40
 
1915 Maps 
 38-24
 10
 8
 6
 14-23
 12
 37

1930 and 1950 Maps 
 45
 10-12
 8
 6
 14
 15
 16
 23 (Mt Tom Jct - Easthampton Br)
 44 (Mt Tom)