Independent Montana observatoryHow we know what we know ↗

Air. Water. Infrastructure. Public money.

Montana,
with receipts.

See what changed.
Follow the evidence.

An independent field atlas for the places, systems and public decisions shaping Montana.

Public observations: not connected.

Montana / field atlasBase geography only
State boundary · 2024 vintage
U.S. Census Bureau · generalized 1:5,000,000. Map source & limits

CODED IN MONTANA / OPEN METHODS

From a signal
to a source.
To a better question.

The long view

A place is more than
a point on a map.

Start with a source. Keep its date, scope and limits attached. A nearby rail line and an air reading answer different questions; a proposed award and a payment do, too.

Read our evidence rules ↗

From the research desk

Better questions.
Traceable answers.

Understanding acid rain Energy-system context From an agenda to an action

MTBNSF is an independent public-interest project. It does not represent or speak for a railroad, government agency, tribal government, university, or advocacy organization.