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divides preserved in the eastern half of the   ACKNOWLEDGMENTS         Ge, W.P., Molnar, P., Shen, Z.K., and Li, Q., 2015,
         Yarlung network divide nominally  east-  We thank Delores Robinson for insightful reviews   Present-day crustal thinning in the southern and
         directed tributaries from west-directed trib-  that improved the clarity of the manuscript. We also   northern Tibetan plateau revealed by GPS mea-
                                                                                  surements: Geophysical Research Letters, v. 42,
         utaries (Fig. 5A). The timing of an inferred   acknowledge helpful discussions with Andrew   no.  13, p.  5227–5235,  https://doi.org/10.1002/
                                             Hoxey, Paul Kapp, John Gosse, Michael Murphy,
         westward  flow  for  the  Yarlung  River  is   Clay Campbell, Kelin Whipple. and Peter Clift. This   2015GL064347.
         unknown. However, a recent study using   project is funded by the National Science Foundation   Ghoshal, S., McQuarrie, N., Robinson, D.M.,
         detrital zircons suggests a connection   to Forte (EAR-1917695), Laskowski (EAR-1917685),   Adhikari, D.P., Morgan, L.E., and Ehlers, T.A.,
                                                                                  2020, Constraining central Himalayan (Nepal)
         between the Indus River and the Gangdese   and Taylor (EAR-1917706).     fault geometry through integrated thermochronol-
         Range (Bhattacharya et al., 2021)—if cor-                                ogy and thermokinematic modeling: Tectonics,
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