For those who attended the field trips near Pasco, Washington, here are my locality data. Corrections are welcome.

April 3:

Gentle slope with old Artemisia tridentata ssp. tridentata

suburban fringe between the end of Evanslee Court and I-182,

Richland

Elevation: 205 m       46.24785^o N 119.33042^oW  Datum: WGS84

USA:  WASHINGTON:  BENTON COUNTY

April 4:

Lower slope with Artemisia tridentata ssp. tridentata and basalt outcrops and erratics, Saddle Mountain, ca. 20 km W of Othello

Elevation: ca. 225 m     46.8077^o N 119.4026^oW  Datum: WGS84

USA:  WASHINGTON:  GRANT COUNTY

grassy, rocky ridge with basalt outcrops

Saddle Mountain, ca. 20 km W of Othello

Elevation: ca. 352 m     46.8032^o N 119.4010^oW  Datum: WGS84

USA:  WASHINGTON:  GRANT COUNTY