Mount Washington Observatory - Mount Washington Observatory

Summits were in the clouds through most of the day but cleared

Mount Washington Observatory Founding Day - Mount Washington

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Beloved Marty the Cat dies after 12 years of patrolling New

Mount Washington Observatory - Wikipedia

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File:2016-09-03 14 08 03 Observation tower at the Mount Washington

The restaurant and public area in the Mount Washington Observatory

Mount Washington museum getting extreme makeover

Mount Washington Observatory Stock Photo - Download Image Now

A Closer Look at the Mount Washington Observatory

Mount Washington Observatory

Mount Washington Observatory: Measuring the…

Mount Washington records snowiest June ever