| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| why did us gypsum close in empire nevada | 1.97 | 0.2 | 1915 | 5 |
| empire gypsum mine nevada | 0.58 | 0.6 | 639 | 12 |
| empire mine nevada city | 0.15 | 1 | 1808 | 38 |
| empire mining company nevada | 0.65 | 0.6 | 2608 | 16 |
| empire minerals empire nv | 0.13 | 0.6 | 736 | 23 |
| empire mine in grass valley | 1.19 | 0.2 | 9212 | 4 |
| empire mine grass valley california | 0.78 | 0.9 | 1120 | 18 |
| empire gold mine california | 0.96 | 0.2 | 6635 | 34 |
| empire state of mine | 1.7 | 0.5 | 6200 | 59 |
| empire state mines gouverneur ny | 0.19 | 0.3 | 1399 | 75 |
| empire mine grass valley ca | 1.68 | 0.1 | 5032 | 8 |
| empire mine state historic park grass valley | 1.78 | 0.5 | 6456 | 4 |
| gypsum mines in kansas | 0.94 | 0.9 | 2811 | 1 |
| empire mine state park grass valley ca | 0.31 | 0.6 | 217 | 74 |
| empire mines gouverneur ny | 0.16 | 0.8 | 1088 | 49 |
| empire state mine park | 0.03 | 0.8 | 3025 | 21 |
| gypsum mines in usa | 1.91 | 0.1 | 9550 | 93 |
| empire mine state historic park photos | 1.63 | 0.8 | 9537 | 90 |
