Letter from A. H. Blackshear, Jr. to the Dean's Office of the University of Pennsylvania enclosing a one hundred and twenty-five dollar New York Exchange at the request of Cheng, Tsung-O, who is cc'd.

Letter from Dreer's to Daniel W. Kempner discussing that they are unable to fulfill Mr. Kempner's order for Wild Phlox or Geranium seeds in bulk and referring him to Rex Pearce.

Letter from Daniel W. Kempner to Rex Pearce discussing his referral from Mr. Corts of Dreer's to Mr. Pearce in his search for Wild Phlox and Wild Light Blue Geranium seeds in bulk.

Letter from Joseph Heacock Company to D. W. Kempner advising him about a recent order.

Letter from Robert Markle Armstrong to W. H. Louviere discussing the ten heaviest sugar volume states and the U. S. A. deliveries since 1949. The total deliveries are listed for each year for multiple states.

The following report covers a reconnaissance for radioactive materials that was made in parts of Maine, New York, New Jersey, and Pennsylvania. It's primary objective was to examine the iron ore deposits and associated rocks in Adirondack Mountains of New York and the Highlands of New Jersey. Additionally, several deposits known or reported to contain radioactive minerals were examined to delimit their extent. However, most of the deposits examined are not significant as possible sources of radioactive elements and the data pertaining to them are summarized in tables provided.

Report discussing reconnaissance for radioactive materials in parts of Maine, New York, New Jersey, and Pennsylvania during 1952. From Abstract: "The primary objective was to examine the iron ore deposits and associated rocks in the Adirondack Mountains of New York and the Highlands of New Jersey."

Abstract: In May 1950, 350 miles of road was traversed in the vicinity of a torbernite locality in New Jersey. The radioactivity of the area traversed was two to three times above normal, averaging 0.003 percent equivalent uranium. It is estimated that there is 1,000 tons of rock averaging 0.009 percent uranium at the torbernite locality. The presence of this area of above-normal radioactivity suggests that further study is needed in the Piedmont belt and the flanking sediments, which may contain economic deposits of uranium minerals.

Map shows navigational channels, anchorage, and underwater hazards; roads, railroads, towns, and bridges. Includes legend, notes, compass roses, and tables for Delaware and Christina River channel depths. Relief shown by hachures. Depths shown by soundings (in feet), isoline, and tints. Scale [1:40,000].

From Abstract: "This report up-dates certain sections of HASL-42, "Environmental Contamination from Weapon Tests". In particular, the levels of Strontium-90 in fallout, milk, tap water, air, and soil are included for data available up to November 1, 1958."

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 presented data which have accrued since HASL-55. Levels of strontinum-90 in fallout, milk, air, water, vegetation, foods, and bone are given, based on data available from February 1, 1959 to May 20, 1959."