Waltham sheets with Boston and Maine RR Trackage 
Roughly in order, West to East
 
1892 Maps 
 Mainline
	3 (Hastings)
	6 (Roberts)
	9
	8
	18
	7
	19
	15
	5
 Central Mass
 	2
	5
 Watertown Br
	18
	19
	13
	14
	18
	
1897 Maps 
 Mainline
	26 (Hastings)
	7
	28
	11
	10
	8
	26
	27
 Central Mass
	2
	17
 Watertown Br
	8-9
	16-17
	18
	25
	26
 
1903 Maps 
 Mainline
	18 (Hastings)
	32
	8
	9
	12
	13
	16
	14
	15
	16
	32
 Central Mass
	2
	6
	32
 Watertown Br
	16-14
	21
	25
	22
	17
	16?
 
1911 Maps 
 Mainline
	25 (Hastings)
	40
	18
	19
	15
	16
	12
	17
	11-9
	20
	24
 Central Mass
	39
	12
	4
	2
	3
	8
	24
 Watertown Br
	12-17
	22-23
	28
	24
	25
	37-38
	39
 
1918 Maps 
 Mainline
	48a-61
	59
	24
	26
	27
	28
	52
	17
	18
	19
	20
	16
	56
 	60
Central Mass
	8
	9
	3
	4
	5
	6-58
	7
 	56
 Watertown Br
	52-17
	34a-36
	35
	37
	38
	30
	52
	31
	32
 Unknown location

1950 Maps 
 Mainline
	68
	61
	59
	24
	26
	27
	28
	52
	17
	18
	19
	20
	16
	32
	72
	63
	56
 	60
Central Mass
	67
	62-32
	8
	9-69
	3
	4
	5
	6-58
	7
	32
	71
	63
 Watertown Br
	52-17
	34a-36
	35
	37
	38
	30
	52
	31