וַיָּבֹ֣אוּ אֵילִ֔מָה וְשָׁ֗ם שְׁתֵּ֥ים עֶשְׂרֵ֛ה עֵינֹ֥ת מַ֖יִם וְשִׁבְעִ֣ים תְּמָרִ֑ים וַיַּחֲנוּ־שָׁ֖ם עַל־הַמָּֽיִם׃
And they came to Elim, where were twelve springs of water, and three score and ten palm-trees; and they encamped there by the waters.
Read halakhic rulings (Jewish law) on Exodus 15:27: and classical halakhic sources.