Researchers — and their drones — touch down in Boulder County to study the extent of the Marshall fire damage - Colorado Public Radio

Researchers — and their drones — touch down in Boulder County to study the extent of the Marshall fire damage  Colorado Public Radio

Researchers — and their drones — touch down in Boulder County to study the extent of the Marshall fire damage - Colorado Public Radio
Researchers — and their drones — touch down in Boulder County to study the extent of the Marshall fire damage  Colorado Public Radio
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