TY  - SER
AU  - United States
TI  - MESA
SN  - 0362-370X
AV  - TN 295 U58b
U1  - 622/.8/05 
CY  - [Arlington, Va.
PB  - Office of Information of the Mining Enforcement and Safety Administration; for sale by the Supt. of Docs., U.S. Govt. Print. Off.]
KW  - Estados Unidos
KW  - Mining Enforcement and Safety Administration
KW  - Minas y riquezas minerales
KW  - Medidas de seguridad -
KW  - Publicaciones periódicas
N1  - Indizado en Coal abstracts; 0309-4979
ER  -