Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
32 cu yds
1/5
3,500,000
000,000 (2)
12,000 yds/day
(3) / 1000
24hrs
60yds.
60yds/day
15 yds
About 4 years
3,500,000
2.70 yds/1000
3.
2.20, 1,500,000
440
1600
1540
0
2.20,
1/224211