Yep, only 26 black squares...and twelve ten-letter words. Very nice! But an ulna is "out on a limb"? The ulna is in the limb, not on the limb---unless the person has suffered a very serious bone fracture.
"California gold rush town" is NEVADACITY. Many people think that the city was named for the state and such is not the case. In 1849 in California, gold was discovered near Deer Creek and a settlement developed. It was originally called Deer Creek Dry Diggings but in 1850 was renamed Nevada, the Spanish word for "snow-covered." In 1851 the state legislature created Nevada County and the settlement became Nevada City in order to distinguish it from Nevada County. The Nevada Territory was created from western Utah Territory in 1861 and Nevada became a state three years later.
