The Burra mine closed in 1877 .
Mintaro continued to develop as a rural service centre during the 1870s and early 1880s , when pastoral and agricultural activities boomed in the state 's mid north .
The Burra mine closed in 1877 , but Mintaro continued to develop as a rural service centre during the 1870s and early 1880s , when pastoral and agricultural activities boomed in the state 's mid north .