It is crunch time on the map. I have so many other maps to work on that I need to begin seriously riding the asymptote to the completion of this one. After many years of solo and collective field observations and various consultations, arguments, and friendly exchanges with most of the Yeehows, I have settled on this list. If you have grave concerns please, please, oh please let me know sooner rather than later. I will throw the correlation diagram up soon.

Hillslope Deposits<o:p></o:p>

Qcf Undivided colluvium and alluvial fan deposits, Holocene to Pleistocene<o:p></o:p>

Qc Colluvium, undivided, Holocene to Pleistocene<o:p></o:p>

Eolian Deposits

Qe Eolian sediments, Holocene to late Pleistocene(?)<o:p></o:p>

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Deposits of the Owyhee River<o:p></o:p>

Qra Active channel and floodplain alluvium, Recent to late Holocene<o:p></o:p>

Qry Young fluvial sediments, Holocene<o:p></o:p>

Qrty Young floodplain terraces, Holocene<o:p></o:p>

Qrt1-n Fluvial terrace gravels, Pleistocene (numbered in local depositional order where appropriate)<o:p></o:p>

Qrg Fluvial gravel, undivided, Pleistocene<o:p></o:p>

Qgb Fluvial boulder bars, Pleistocene<o:p></o:p>

Qgw Fluvial gravel of West Crater lava, late Pleistocene<o:p></o:p>

Qrgo Older fluvial gravel, Pleistocene<o:p></o:p>

Qgbr Fluvial gravels of Bogus Rim lava, early Pleistocene<o:p></o:p>

QTgl Ancient, inter-lava flow fluvial gravel, early Pleistocene to Pliocene<o:p></o:p>

QTga Fluvial gravel of Artillery rim, early Pleistocene to Pliocene(?)<o:p></o:p>

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Lacustrine deposits of the Owyhee River corridor<o:p></o:p>

Qfl Fluvio-lacustrine sediments, undivided, late Pleistocene<o:p></o:p>

Qflw Fluvio-lacustrine sediments of West Crater lava dam, late Pleistocene<o:p></o:p>

Qfls Fluvio-lacustrine sediments of Saddle Butte lava dam, late Pleistocene<o:p></o:p>

QTfa Fluvio-lacustrine sediments of Artillery Rim, early Pleistocene to Pliocene<o:p></o:p>

Landslide Deposits<o:p></o:p>

Qls Landslide deposits, undivided, Holocene to early(?) Pleistocene

Qlsy Young landslide deposits, Holocene to late Pleistocene<o:p></o:p>

Qlsby Young landslide deposits composed dominantly of coarse basalt breccia, Holocene to late Pleistocene<o:p></o:p>

Qlsi Intermediate age landslide deposits, late Pleistocene<o:p></o:p>

Qlso Old landslide deposits, middle to early (?) Pleistocene<o:p></o:p>

Alluvium of Owyhee River tributaries and local drainages<o:p></o:p>

Qa Alluvium of tributary washes and alluvial fans, undivided, Holocene to Pleistocene<o:p></o:p>

Qas Alluvium and related sediments of active springs, Holocene to late Pleistocene<o:p></o:p>

Qad Alluvium of closed depressions and sags, Holocene to late Pleistocene<o:p></o:p>

Qay Young alluvium of tributary washes and alluvial fans, Recent to Holocene

Qai Intermediate age alluvium of tributary washes and alluvial fans, late Pleistocene<o:p></o:p>

Qao Old alluvium of tributary washes and alluvial fans, middle to early Pleistocene<o:p></o:p>

QTa Ancient alluvium of tributary washes and alluvial fans, early Pleistocene to Pliocene<o:p></o:p>

Basalt lavas of the Owyhee River corridor and surrounding areas<o:p></o:p>

Qbcp Basalt of Coffee Pot Crater, Holocene*<o:p></o:p>

Qbrb Basalt of Rocky Butte, Holocene (?) to late Pleistocene*<o:p></o:p>

Qbw Basalt of West Crater, Pleistocene<o:p></o:p>

Qbs Basalt of Saddle Butte<o:p></o:p>

Qbsy Younger basalt of Saddle Butte<o:p></o:p>

Qbso Older basalt of Saddle Butte<o:p></o:p>

Qbc Basalt of Clarks Butte<o:p></o:p>

Qbg Basalt of Greely bar, early Pleistocene<o:p></o:p>

Qbr Basalt of Bogus Rim, early Pleistocene<o:p></o:p>

QTbc Basalt of Bogus cliffs, early Pleistocene to Pliocene<o:p></o:p>

QTb Basalt, undivided, early Pleistocene to Pliocene<o:p></o:p>

Tb Undivided basalt lavas, Pliocene to Miocene (?)<o:p></o:p>

Tbs Undivided basalt lavas and interbedded sediments, Miocene to Pliocene<o:p></o:p>

*These lavas only on regional map, not in river corridor

Rhyolite lavas and sedimentary rocks<o:p></o:p>

Tsv Interbedded volcanic, volcaniclastic, and other sedimentary rocks, Miocene<o:p style="font-weight: bold;"></o:p>

Tr Undifferentiated rhyolite lavas, Miocene<o:p></o:p>