Short description of data.
Collected - yyyy-mm-dd (single date) or yyyy-mm-dd - yyyy-mm-dd (range of dates)
Received - yyyy-mm-dd
Type - website | company | personal contact
URL -
name
title, company
address
phone
email
Type/Format - csv, tsv, json, code, etc.
Topic - engineering, physics, astronomy, earth sciences, hydrology, etc.
Long description of data content.