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Images related to Lassen Volcanic Center.

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A black and white photograph looks across a swath cut through a pine forest by a debris and mud flow that originates at a steaming volcanic peak in the distance. A large crater is visible on the side of the volcano, which is emitting the steam. The rest of the volcano is heavily blanketed in snow.
Historical photograph of Lassen Peak by Benjamin Loomis, May 22, 1915
Historical photograph of Lassen Peak by Benjamin Loomis, May 22, 1915
Historical photograph of Lassen Peak by Benjamin Loomis, May 22, 1915

A second view of Lassen Peak and the Deveastated Area following an explosive eruption and mudflowk. The crater of the volcano is visible, revealing that a lava dome which had previously been growing there was destroyed by the explosion. Subsequently, a lava flow began refilling the crater, and was mistakenly thought to have created the mudflow. 

A second view of Lassen Peak and the Deveastated Area following an explosive eruption and mudflowk. The crater of the volcano is visible, revealing that a lava dome which had previously been growing there was destroyed by the explosion. Subsequently, a lava flow began refilling the crater, and was mistakenly thought to have created the mudflow. 

In this black-and-white photos, a view up a valley shows a bare moonscape of mud, silt, and boulders. In the far distance, a mountain peak rises above lines of pine trees lining the valley's sides.
Mudflows in Lost Creek, Lassen, May 22 1915
Mudflows in Lost Creek, Lassen, May 22 1915
Mudflows in Lost Creek, Lassen, May 22 1915

Benjamin F. Loomis Historical Photograph Collection: Lost Creek drainage area covered in mud, rocks, and debris from a mudflow off Lassen Peak. Photo courtesy of NPS.

Benjamin F. Loomis Historical Photograph Collection: Lost Creek drainage area covered in mud, rocks, and debris from a mudflow off Lassen Peak. Photo courtesy of NPS.

A black and white photograph looks across a swath cut through a pine forest by a debris and mud flow that originates at a steaming volcanic peak in the distance. A large crater is visible on the side of the volcano, which is emitting the steam. The rest of the volcano is heavily blanketed in snow.
Benjamin Loomis photograph of Lassen Peak and the Devastated Area, May 22, 1915
Benjamin Loomis photograph of Lassen Peak and the Devastated Area, May 22, 1915
Benjamin Loomis photograph of Lassen Peak and the Devastated Area, May 22, 1915

Steam issuing from summit of Lassen Peak from head of Lost Creek following mudflow. "Hot Rock"(large boulder) in foreground. Photographs taken a few hours prior to second major eruption and hot blast.

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