ISOSEISMALS: DISTRIBUTION OF APPARENT INTENSITY. 195 
small. In the neighborhood of Limantour Bay (indicated on some maps as Drake’s 
Estero) there are a number of ranches. Most of these showed broken chimneys; but at 
a ranch west of the head of the bay 2 brick chimneys stood uninjured. At Point Reyes 
Post-office, the main residence building was thrown from its foundation of props and 
shifted 2 feet westward, being badly wrecked. Other buildings of the same-group were 
not shifted, and 2 water-tanks on high frames seemed to be uninjured. At Mr. Claussen’s 
ranch, south of the Post-office, 2 buildings were shifted a few inches to the south, that 
direction not being determined by their structure but being diagonal to their sides. The 
chimneys were thrown down, plastering cracked, furniture shifted, and many dishes 
broken. A picture was reversed so as to hang face to the wall. Mr. Claussen, being out- 
of-doors at the time, was thrown down. Some cows were also thrown down. 
At the U.S. Life Saving Station, on the coast 3 or 4 miles from the light-house, brick 
chimneys were broken but not thrown down, furniture was moved, dishes were broken, 
and the filled ground about the house settled several inches. A mast standing in the 
sand was said to have been heaved up several feet, but its position had been restored before 
my visit. My informant said that he was standing when the shock came, and sat down 
to avoid falling. 
At Point Reyes Light-house the heavy mechanism controlling the light was shifted 
several inches on its base. A lens “jumped” from its ways. It was so held in place by 
dowel pins that its movement required a lift of about 2 inches. The only injury to build- 
ings was from the cracking of chimneys. Wooden tanks with water were not shifted. 
One of the light-house keepers stated that after the shock he lookt from the window of his 
room, which commanded a portion of the sea near the beach, and saw the water “ boiling,” 
but there was no change of the nature of a wave. 
Sunshine Ranch and Vicinity. — I drove to the summit of the ridge southwest of the 
head of Tomales Bay, finding abundant and strong road-cracks all the way to the crest, 
which is about 1.5 miles from the fault-trace. There were also a number of landslides 
in this region, and a considerable number of trees were broken or uprooted. There were 
few houses. The only ranch visited, known as the Sunshine Ranch, and occupied by 
Mr. Silver, suffered as severely as the houses of Inverness and Bolinas. ,The house 
moved southwest 3 feet and was badly wracked. The dairy was thrown from its founda- 
tion and wrecked beyond repair. The barn, a large building, fell northward downhill 
and collapsed. 
Bear Valley. — I drove from Skinner’s ranch southwestward thru a pass in the upland, 
covering two-thirds of the distance to the coast, and reaching a point about 3.5 miles 
in a direct line from the fault. The most striking evidence of violence was shown by the 
trees. A few were thrown down, including oaks and spruces; branches were broken from 
others and some spruces had lost their tops. Most of these phenomena were seen within 
0.5 mile of the fault. In the same region are a few summer cottages, which sustained little 
injury, only the fall of chimneys being noted. The club-house of the Country Club, 
situated about 1 mile from the fault, lost chimneys but was not shifted. One of its barns 
was wrecked, falling downhill in a southerly-direction. In this region I saw only a few 
eracks other than road-cracks, and the road-cracks were unimportant. 
Seven Lakes. — Crossing the main divide of the peninsula near the head of Pine Gulch 
Creek, I followed a road to the vicinity of the coast, a district known as Seven Lakes. As 
the trip was made 5 months after the earthquake, the evidence from road-cracks had disap- 
peared. There were a few landslides, and a number of cracks already mentioned (page 
75) testified to movements of large blocks of ground; but I think these were due to a 
peculiarly sensitive condition of the country rather than to the violence of the shock. At 
2 ranch-houses not far from the ocean, chimneys were broken but buildings were not 
shifted. A few dishes were thrown down, but otherwise there was no injury to mova- 
‘bles or houses. 
