Daniel A. Walker πŸ‡¨πŸ‡¦πŸ‡ΊπŸ‡¦πŸ‡¬πŸ‡±πŸŒ»πŸ˜·πŸ’‰πŸš΄πŸ» (@danwalker9999) 's Twitter Profile
Daniel A. Walker πŸ‡¨πŸ‡¦πŸ‡ΊπŸ‡¦πŸ‡¬πŸ‡±πŸŒ»πŸ˜·πŸ’‰πŸš΄πŸ»

@danwalker9999

Retired geoscientist. πŸͺ¨πŸ’¦βš’οΈπŸ§­πŸ—ΊοΈπŸ“ˆ. Mineral exploration. Investigation and remediation of contaminated soil/water/sediment. PhD in hydrogeology.

ID: 818206878429638658

calendar_today08-01-2017 21:24:56

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