when were steam locomotives phased out

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when were steam locomotives phased out	0.2	0.2	2363	70	38
when	1.72	0.6	4865	70	4
were	1.01	0.7	1627	71	4
steam	1.74	1	2076	95	5
locomotives	1.75	0.3	9457	58	11
phased	1.87	0.3	3669	89	6
out	1.02	0.8	353	48	3

Keyword	CPC	PCC	Volume	Score
when were steam locomotives phased out	1.17	0.3	6750	33
when were steam trains phased out	0.08	0.2	2337	96
when did steam locomotives end	0.8	0.6	9209	23
when did steam locomotives stop running	1.86	0.9	2391	89
when did they stop using steam locomotives	1.92	1	7862	90
when did diesel locomotives replace steam	0.34	0.6	5279	49
history and evolution of steam locomotives	1.61	0.4	8278	99
history of steam locomotives	1.13	0.7	9180	62
when was the last steam locomotive built	0.96	0.1	7658	57
when were steam locomotives invented	1.7	0.6	80	29
what happened to steam locomotives	1.99	0.7	1161	68
when was the steam locomotive made	0.12	0.5	6312	16
when was the steam locomotive created	0.9	0.2	6025	69
when was the last steam locomotive used	1.86	1	8892	28
evolution of steam locomotives	1.78	1	1478	13
steam locomotive history timeline	0.52	0.9	3971	78
steam locomotive date developed	0.92	0.7	7273	1
decline of steam locomotives	0.8	0.3	452	5
the steam locomotive history	1.5	0.2	8877	93
what did the steam locomotive replace	0.99	0.8	6318	33
last steam locomotive in service	0.66	0.9	1889	65