David A. Helweg — United States Geological Survey | Morademia

Find an advisor Search Browse Positions Data overview Compare Network Methodology

Search / A5044504579

Loading profile…

Methodology Data overview Privacy Terms Corrections and removals API

Data from OpenAlex, ORCID, and Crossref. Statements are evidence, not verdicts. Flag images: Twemoji, CC BY 4.0. Contact: [email protected]

David A. Helweg — United States Geological Survey | Morademia