TY  - BOOK
T1  - Preliminary report on aggregate use and permitting along the Colorado Front Range
DA  - [2000]
CY  - Denver, Colo. :
AU  - Wilburn, D. R.
AU  - Langer, William H.
ET  - Paper ed.
VL  - 00-258
CN  - I 19.76:
PB  - U.S. Dept. of the Interior, U.S. Geological Survey,
PP  - Denver, Colo. :
PY  - [2000]
N1  - Cover title.
N1  - Shipping list no.: 2002-0363-M.
ID  - 257907
KW  - Aggregates (Building materials)
TI  - Preliminary report on aggregate use and permitting along the Colorado Front Range
LK  - http://purl.access.gpo.gov/GPO/LPS20441
UR  - http://purl.access.gpo.gov/GPO/LPS20441
ER  -