Psalms 74:15 Midrash

אַתָּ֣ה בָ֭קַעְתָּ מַעְיָ֣ן וָנָ֑חַל אַתָּ֥ה ה֝וֹבַ֗שְׁתָּ נַהֲר֥וֹת אֵיתָֽן׃

Thou didst cleave fountain and brook; Thou driedst up ever-flowing rivers.

Read midrashic interpretation of Psalms 74:15: and classical rabbinic exegesis.