April 20th, 2018 • 56 mins 28 secs • Download (51.7 MB) • Link with Timestamp
This week join us for our own alphabet aerobics as we fly through the geologic alphabet! A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W -...