Wyoming Nonmetallic minerals routes: Tonnage by R/VC Category |
Percentage of Tonnage |
1985 | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Below 180 | 61.5 | 51.6 | 73.3 | 82.2 | 89.9 | 93.0 | 96.0 | 94.4 | 85.3 | 75.7 | 80.3 | 92.1 | 85.8 | 89.6 | 83.3 | 83.4 | 87.8 | 78.7 | 84.5 | 88.2 | 86.5 |
180-300 | 33.6 | 41.3 | 20.3 | 17.1 | 9.0 | 6.3 | 3.8 | 5.6 | 14.5 | 24.1 | 18.5 | 7.2 | 13.7 | 9.9 | 16.2 | 16.3 | 12.1 | 20.5 | 15.5 | 11.8 | 13.2 |
Above 300 | 4.9 | 7.1 | 6.4 | 0.7 | 1.1 | 0.7 | 0.1 | 0.0 | 0.3 | 0.2 | 1.3 | 0.7 | 0.4 | 0.5 | 0.5 | 0.3 | 0.2 | 0.8 | 0.0 | 0.0 | 0.3 |
Includes only data that met statistical confidence and confidentialty reporting requirements. |
For more information, see the Scope and Methodology for this product. |
Amounts shown as 0.0 represent instances where reported amounts were greater than 0 but less than 0.05 |
Information on this page was updated on February 1, 2008. |