Anti-oil protesters swarm the Montana governor's office and beat on drums, sing, dance, and chant during a demonstration against oil pipelines and megaloads (Independent Record/Dylan Brown photo).

Activists rally in the Montana governor's office (Northern Rockies Rising Tide photo).

Activists wearing “lock boxes” at the office of Montana Governor Brian Schweitzer (Northern Rockies Rising Tide photo)

Montana Governor Brian Schweitzer talks with anti-pipeline/megaload protesters who swarmed his office at the Capitol (Independent Record/Dylan Brown photo).

Activists of Northern Rockies Rising Tide and Wild Idaho Rising Tide lock down in a mock pipeline in Governor Brian Schweitzer’s office (Northern Rockies Rising Tide photo).