History of mining in washington state searching

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Keyword	CPC	PCC	Volume	Length string	Score
history of mining in washington state	1.81	0.5	1495	37	28
history of coal mining in washington state	0.99	0.8	7907	42	27
mining in washington state	0.72	0.2	9669	26	21
old mines in washington state	0.15	1	2542	29	14
coal mining in washington state	0.55	0.6	1282	31	43
old mining towns in washington state	1.08	0.5	2920	36	14
gold mining in washington state	0.46	0.5	9078	31	29
mining companies in washington state	1.32	0.4	2724	36	72
coal mines in washington state	1.43	1	8021	30	31
washington state mining operations	0.53	0.4	3603	34	24
gold mines in washington state	1	0.5	2812	30	1
washington state coal mine	1.99	0.2	5937	26	53
active mines in washington state	1.37	0.3	4214	32	68
discovering washington's historic mines	1.4	0.8	2030	39	9
is there coal mining in wa state	1.9	1	1852	32	92
gold mines in washington	0.95	0.6	713	24	1
washington state mine map	1.77	0.3	5721	25	50

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