asaki the same damage was sustained
as far as 6,000 feet.

In Nagasaki, 9" brick walls were heavily cracked to 5,000 feet, were
moderately cracked to 6,000 feet, and slightly cracked to 8,000 feet.
In both cities, light concrete buildings collapsed out to 4,700 feet.

In Hiroshima, multi-story brick buildings suffered structural damage up
to 6,600 feet, and in Nagasaki up to 6,500 feet from X.

In both cities overhead electric installations were destroyed up to
5,500 feet; and trolley cars were destroyed up to 5,500 feet, and
damaged to 10,500 feet.

Flash ignition of dry, combustible material was observed as far as
6,400 feet from X in Hiroshima, and in Nagasaki as far as 10,000 feet
from X.

Severe damage to gas holders occured out to 6,500 feet in both cities.

All Japanese homes were seriously damaged up to 6,500 feet in
Hiroshima, and to 8,000 feet in Nagasaki. Most Japanese homes were
damaged up to 8,000 feet in Hiroshima and 10,500 feet in Nagasaki.

The hillsides in Nagasaki were scorched by the flash radiation of heat
as far as 8,000 feet from X; this scorching gave the hillsides the
appearance of premature autumn.

In Nagasaki, very heavy plaster damage was observed in many buildings
up to 9,000 feet; moderate damage was sustained as far as 12,000 feet,
and light damage up to 15,000 feet.

The flash charring of wooden telegraph poles was observed up to 9,500
feet from X in Hiroshima, and to 11,000 feet in Nagasaki; some reports
indicate flash burns as far as 13,000 feet from X in both places.

Severe displacement of roof tiles was observed up to 8,000 feet in
Hiroshima, and to 10,000 feet in Nagasaki.

In Nagasaki, very heavy damage to window frames and doors was observed
up to 8,000 feet, and light damage up to 12,000 feet.

Roofs and wall coverings on steel frame buildings were destroyed out to
11,000 feet.

Although the sources of many fires were difficult to trace accurately,
it is believed that fires were started by primary heat radiation as far
as 15,000 feet from X.

Roof damage extended as far as 16,000 feet from X in Hiroshima and in
Nagasaki.

The actual collapse of buildings was observed at the extreme range of
23,000 feet from X in Nagasaki.

Although complete window damage was observed only up to 12,000 feet
from X, some window damage occurred in Nagasaki up to 40,000 feet, and
actual breakage of glass occured up to 60,000 feet.

Heavy fire damage was sustained in a circular