Saltydog is on his way!
Spot map shows him near Clark Point above Vernal Fall.
With the map, it is best to hover your mouse pointer over the "Map" button in the upper-right corner, and click the "Terrain" checkbox. It shows the shaded relief that makes it easier to view the mountainous layout, and the JMT shows up, too.
Edit Wed, Aug 7: He's getting a burger at Tuolumne Meadows now.