From Abstract: "This report is one of a sequence of quarterly reports, each designed to up-date its predecessor beginning with HASL-42, "Environmental Contamination from Weapon Tests." Herein are reported data which have accrued since HASL-51. In particular, the levels of strontium 90 in fallout, milk, tap water, vegetation, and foods are given, based on data available from November 1, 1958 to January 30, 1959."

Patent for a picture-hook that improves on a commonly used picture-hook that easily becomes dislodged. The patented hook fits over molding with spurs that go into the molding.

Patent for an improved dredging apparatus "and it consists in combining with the well known bucket chain form of excavator a suction pipe provided with a hopper and a crushing or breaking device so that the material being deposited in the hopper by the continuously moving buckets will be carried under the action of gravity to the breaking or crushing device and thence through a suction pipe and pump and delivery pipe to the place of deposit" (lines 9-18).