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1 Accn_2338_Bx_4_Fd_6 (Notes and Diagrams) Part 1
2 Letter dated 30 July 1945 from the Acting Director of the U.S. Salinity Laboratory in Riverside, California to Dr. F. W. Parker1945-07-30Text
3 Use of Thermistors for measuring the freezing point of solutions and soils1948Text
4 A Soil salinity sensor of improved design1966Text
5 Letter dated 2 August 1969 from Gerald F. Allen to Lorenzo A. Richards1969-08-02Text
6 Accn_2373_Bx_4_Fd_6_Book_1 Part 12
7 Accn_2373_Bx_4_Fd_6_Book_1 Part 11
8 Page 1
9 Accn_2373_Bx_4_Fd_5_Book_1 Part 11
10 Accn_2373_Bx_4_Fd_5_Book_1 Part 12
11 A thermocouple psychrometer for measuring the relative vapor pressure of water in liquids or porous materials1964Text
12 A thermocouple psychrometer for measuring the relative vapor pressure of water in liquids or porous materials [manuscript]1963-03-30Text
13 Page 2
14 Salt in soil1962Text
15 Letters exchanged in March 1969 between Lorenzo A. Richards and Gerald F. Allen1969-03-27Text
16 Page 2
17 Accn_2338_Bx_5_Fd_4-J.J. Cipollone Part 3
18 Letter dated December 1973 from the Weavers at Saipan to Lorenzo and Zilla Richards1973-12Text
19 Letters exchanged in June and July 1970 between Lorenzo A. Richards and Anthony E. Sowers1970-07-23; 1970-07-20; 1970-06-24Text
20 Accn_2373_Bx_4_Fd_6_Book_1 Part 3
21 Accn_2373_Bx_4_Fd_5_Book_1 Part 3
22 Tests for salinity and sodium status of soil and of irrigation water1956Text
23 Accn_2373_Bx_4_Fd_6_Book_1 Part 8
24 Accn_2373_Bx_4_Fd_2_Book_3 Part 6
25 Accn_2373_Bx_4_Fd_5_Book_1 Part 1
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