Griggs ' follow - up expedition in 1916 discovered and named the Valley of Ten Thousand Smokes and found Novarupta .
The expedition , led by Robert Fiske Griggs , a botanist who was initially interested in the study of plant recolonization .
botanist ' follow - up expedition in 1916 discovered and named the Valley of Ten Thousand Smokes and found Novarupta .
The expedition , led by Robert Fiske Griggs , a botanist who was initially interested in the study of plant recolonization .