1)
What do we learn from "u'mi'Matanah Nachli'el"?
1.
Hadar Zekenim (part is also in Da'as Zekenim): This was unlike other wells, which flow in their place. This, after it was given, got stronger until it became a great river, like Nachal Eil; 1 and much water came out.
2.
Refer to 21:18:4:8.
1
'Eil' is an expression of strength, as in Yechezkel 17:13 - "ve'es Eilei ha'Aretz Lakach".
2)
What do we learn from "u'mi'Nachli'el Bamos"?
1.
Refer to 21:19:4:2 & 8 and 21:19:151:1-4.