history of landfills in the united states

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
history of landfills in the united states	0.43	0.8	1097	64	41
history	1.66	1	3905	43	7
of	1.38	0.4	1915	69	2
landfills	1.77	1	879	33	9
in	1.58	0.6	3929	62	2
the	1.31	0.1	1611	94	3
united	1.93	0.2	7330	41	6
states	1.87	0.5	7768	60	6

Keyword	CPC	PCC	Volume	Score
history of landfills in the united states	0.55	0.5	513	16
first landfill in the us	1.3	0.3	6088	23
history of landfill sites	0.47	0.4	9677	20
how long have landfills been around	1.55	0.5	4981	85
when was the first landfill created	0.23	0.1	8246	92
when were landfills invented	1.58	1	8795	64
history of landfill design	1.53	0.8	4933	85
how did landfill start	0.36	0.7	4517	36
landfills in the united states	0.02	0.5	9716	8
when did landfills become popular	0.76	0.7	5089	47
history of landfill regulations	0.16	0.9	7470	38
history of landfill gas	1.29	0.1	7428	65
history of landfill management	0.77	0.8	9495	36
history of landfill engineering	1.83	0.1	2804	50
history of landfill tax	0.76	0.2	850	91
history of landfill mining	0.33	0.6	2128	83
history of landfill diversion	0.07	0.8	4721	39
at the beginning of 2010 a landfill	0.92	0.6	616	73
historical landfill sites map	1.82	0.3	2590	19
when did municipal landfills open	1.84	0.5	8334	95
historic landfill site map	1.67	0.9	7262	90