W KAIBAB LIMESTONE I TOROWEAP FORMATION – Permian ` COCONINO SANDSTONE` _ _= HERMIT SHALE * — – – – _ SUPAI GROUP SURPRISE- ORMISTION…

I need help outlining the geographical history and identifying the unconformity that represents the greatest hiatus, any help is appreciated! Thank you!
WKAIBAB LIMESTONE I TOROWEAP FORMATION -Permian` COCONINO SANDSTONE`_ _= HERMIT SHALE *– – – -_ SUPAI GROUPSURPRISE-"ORMISTIONPennsiranian ;*_ REDWALL LIMESTONE ICambrian | Miss . | Pennsy .TEMPLEBUTHEI MIUAV LIMESTONE*"Devonian )BRIGHT ANGEL SHALETAPEATS SANDSTONEAN`NERGORGESHINLIMO SANDSTONE- – DOX= =_ HAKATAI SHALE _IT BASS _^PrecambrianVISHNUSCHIST- -: ZOROASTER ; :`"I VISHNUGRANITESCHIST- i- ! ! =. . . ..F . = Granite*SchistSandstoneShaleLimestoneGeological relationships in the eastern portion of the Grand Canyon , Arizona .