introduction of coal mining

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
introduction of coal mining	0.99	0.3	1468	94	27
introduction	0.35	0.4	9949	26	12
of	1.04	0.7	5450	57	2
coal	1.78	0.6	6241	54	4
mining	0.77	0.9	1063	3	6

Keyword	CPC	PCC	Volume	Score
introduction of coal mining	0.01	0.6	7858	17
the process of coal mining	0.04	0.3	7139	78
history of coal mining	1.58	0.3	2600	73
explain various methods of coal mining	0.43	0.7	2781	25
what is coal mining	1.51	1	999	74
how did coal mining start	1	0.3	617	73
what did coal mining involve	1.8	0.7	1250	28
what is the process of mining coal	1.8	0.5	2929	18
facts about the coal mining	1.09	0.2	4330	87
methods of mining coal	1.4	0.2	8893	80
coal mining terminology pdf	1.73	0.3	8988	6
when was coal mining invented	1.59	1	4460	62
underground coal mining process	0.96	1	9228	92
diagram of a coal mine	0.8	0.9	4573	10
coal mining business process	1.36	0.4	9646	95
coal mining books pdf	1.64	0.2	3160	87
coal mines and history	0.88	0.1	9460	60
what is coal mines	1.13	0.2	4309	73