Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
at the beginning of 2010 a landfill contained | 1.57 | 0.5 | 3783 | 63 |
when was the first landfill | 0.79 | 0.2 | 1078 | 37 |
history of landfill sites | 0.79 | 0.6 | 1930 | 36 |
when was the first landfill created | 0.77 | 0.9 | 2323 | 46 |
history of landfill design | 1.8 | 1 | 8677 | 66 |
how did landfill start | 1.13 | 0.9 | 1534 | 94 |
history of landfill regulations | 0.8 | 0.9 | 7115 | 38 |
when did landfills begin | 1.26 | 0.7 | 7209 | 65 |
existing landfills are generally considered | 1.96 | 0.7 | 3474 | 41 |
how long have landfills been around | 1.64 | 0.3 | 5501 | 98 |
design and operation of sanitary landfill | 1.32 | 0.4 | 1964 | 95 |
landfill and public fill | 0.24 | 0.3 | 4826 | 64 |
history of landfills in america | 0.58 | 0.3 | 5971 | 34 |
history of landfill gas | 1.36 | 0.5 | 9469 | 41 |
basic information about landfill gas us epa | 1.53 | 0.8 | 6650 | 32 |
landfills in the united states | 1.04 | 0.7 | 5902 | 66 |
where does landfill happen | 1.27 | 0.5 | 481 | 81 |
landfill database united states | 0.52 | 0.4 | 7939 | 92 |
when were landfills invented | 1.96 | 0.7 | 9238 | 14 |
when will landfills be full | 1.01 | 0.1 | 6882 | 88 |