Stereoview card showing a group of men and women near a canvas tent. Seated at a cloth-covered table are two women and two men having tea. Caption printed under the photograph on the frontside of the card: "2951. Camping Out, Col." Handwritten on the reverse "Hayden Survey?" and stamped "Photographed and Published by Kilburn Brothers, - - Littleton, N.H."

Freemasons, wearing ceremonial aprons over their suits, and women gather for the Annual Grand Lodge ceremony at the former townsite of Parkville, Colorado. Parkville was the location of the second oldest Lodge in the Colorado Territory. Quoted from text handwritten on the reverse: "#7 I can't name but a couple - Archie Palmer and over his head is Charles Burnheimer. This was one of their annual Grand Lodge visitations to Breckenridge and the monument".

Kate Schwalbach sits on a chair with a book at the entrance of a canvas platform tent at the Oro Grande survey and engineering crew's campsite. She is wearing a dark, puffed-sleeve bodice and ankle-length skirt. The tent has a bed, log chairs with cushions, and a small wood heating stove. Behind her is a cloth-covered wooden table topped with books and a portrait of a man with a mustache.

Kate Schwalbach at the Oro Grande survey and engineering crew's campsite. She is bent over, using a long stick to lift the lid of a cooking pot that is placed on the ground. Next to it is another cooking pot and a frying pan. In view on the left is a shovel leaning against a tree, and in the background is a white tent surrounded by pine trees. Kate is wearing a wide brimmed hat, a light-colored blouse with a large bow, a long dark skirt, leather gloves, and canvas gaiters buttoned up over her leather boots.

Mary Marks is outside a canvas tent at the Oro Grande survey and engineering crew's campsite. There is a hammock, a bench made of logs, a bicycle, and two additional tents. The surrounding landscape is filled with trees.

Kate Schwalbach stands at the Oro Grande survey and engineering crew's campsite. She is wearing a dark, puffed-sleeve bodice and a dark ankle-length skirt. Behind her is a canvas platform tent with its entrance open, revealing a bicycle and a cloth-covered table inside. Outside the tent sits a log chair with cushions. The surrounding landscape is dense with trees.

John and Mary Marks smile as they stand with surveying equipment on a tripod outside a canvas platform tent at the Oro Grande survey and engineering crew's campsite. Mary is dressed in a long, loose dress with puffed sleeves. There is a view of a forested area in the background.

John and Mary Marks smile as they stand with surveying equipment on a tripod outside a canvas platform tent at the Oro Grande survey and engineering crew's campsite. Mary is dressed in a long, loose dress with puffed sleeves. There is a view of a forested area in the background.

Mary Marks relaxes in a hammock at the Oro Grande survey and engineering crew's campsite. In the background are canvas tents, a bench made of logs, and a bicycle. The surrounding landscape is filled with trees.