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Geology topics

Alfred Geddes Maddren

Publications and source records attributed to Alfred Geddes Maddren.

4 recordsLinked to original sources

USGS1955

Geologic maps of Alaska-Canada boundary

Explore the source record for details and available documents.

Open-File Report↗

USGS1913

The Koyukuk-Chandalar region, Alaska

No abstract available.

Alaska↗

USGS1910

The Innoko gold-placer district, Alaska, with accounts of the central Kuskokwim Valley and the Ruby Creek and Gold Hill placers

No abstract available.

Alaska↗

USGS1909

Mineral resources of the Kotsina-Chitina region, Alaska

No abstract available.

Alaska↗