Chelsea sheets with Boston and Maine RR Trackage 
Roughly in order, West to East
 
1889 Maps 
 7
 18
 17-24
 19
 4
 
1894 Maps 
 19
 17
 20
 21
 22
 23
 24
 30-6
 32
 35
 36
 
1911 Maps 
 1
 13
 14
 24
 25
 26-32
 33
 28
 38
 42
 43
 45
 46
 
1950 Maps 
  1
 13
 14
 24
 25
 26-32
 33
 28
 38
 42
 21
 43
 45
 46
 
1955 Maps 
  1
 13
 14
 24
 25
 26-32
 33
 28
 38
 42
 21
 43
 45
 46