Gardner sheets with Boston and Maine RR Trackage 
Fitchburg Mainline: Roughly in order, West to East
Peterboro Branch: Roughly in order, North to South
 
1889 Maps 
 Fitchburg Mainline
	6-8-7
	12
 Peterboro Branch
 	5
	4
	11-2
	12
	11
	6
 
1895 Maps 
 Fitchburg Mainline
	7-13-6-3
	13
	11
 Peterboro Branch
 	4
	5
	7
	10
	9
	11
	14
	10-2-12
	13
 
1900 Maps 
 Fitchburg Mainline
	8-11-6-3
	16
	12
	13
 Peterboro Branch
	4
	5
	7-8
	11
	16
	12
	13
	15-14
	
 
1905 Maps 
 Fitchburg Mainline
	16-13-12
	17
	2?
	8?
	
 Peterboro Branch
 	3-11
	4
	12-14
	15
	16-17
	18
	20-19
 
 
1909 Maps 
 Fitchburg Mainline
	13-12-11
	25
	27

 Peterboro Branch
	6
	15
	21-23
	24
	25-27
	30-28-29
 Unknown
	4
	5
	14
 
1914 Maps 
 Fitchburg Mainline
	26
	27-22-17
	28
	29
	31
 Peterboro Branch
	12
	3
	4
	11
	18-19
	24
	29-31
	32
	35-33
	
 Unknown
 	15
	30
	34
 
1923 Maps 
 Fitchburg Mainline
	6
	32-31
	28-27-4
	26-33
	23
	34
	
 Peterboro Branch
	15
	10
	12
	14
	24-21
	22
	23
	34
	35
	34-36

1932 and 1940 Maps 
 Fitchburg Mainline
	6
	32-31
	28-27-4
	26-33
	23
	34
	35
	
 Peterboro Branch
	15
	10
	12
	14
	24-21
	22
	23
	34
	35
	34-36