Willard Drake Johnson

Willard Drake Johnson (1860-1917) was an American glaciologist, topographer, cartographer, hydrographer, geologist, geographer, and ethnologist.

[1] His career began under the tutelage of Grove Karl Gilbert on the Lake Bonneville survey.

In 1891 he became the chief of the California, where he co-founded the Sierra Club and became a good friend of John Muir.

In 1897 he joined the Water Resources Branch of the US Geological Survey, where he worked in Oklahoma.

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