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- Color postcard showing the Portland Mine buildings on hillside with tailing piles around. Horse-drawn wagon stands by building in foreground. "126. Portland Mine." printed on bottom of card. 1
- Colorized view of the Portland Gold Mining property. 1
- Identified on the back of the photograph 1
- Large wood-frame building perches on hillside with tailings pile in front and hill behind. "The Portland C.M.Co." is written on side of building. Five large smokestacks are on building behind. "526" is printed on bottom left of photo. 1
- Picture of Portland number 1 & 2 mines. 1
- Portland Mine 1
- Postcard showing large buildings of the Portland Mine on the hillside above Cripple Creek. "3045. Portland Mine, Cripple Creek District, Colo." printed on top of card. 1
- Printed on front "Portland Mine" and "Portland No. 2". Postmarked Victor, Colo.; Aug 19, 1908 1
- Vindicator Mine at right, Specimen Mine at left, North of Victor [written on negative sleeve. Portland Mine #2 and Independence Mine above Goldfield, Colorado [written on back of print] 1
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