Correspondence regarding ordering of Lark products, 1956-1959

Correspondence regarding ordering of Lark products, 1956-1959: (1) Letter dated 5 September 1958 from G. N. DeMare at the Development and Resources Corporation in New York, N.Y., to Lark Instruments; (2) Invoice dated 17 September 1958 from Salt Lake Storage Company for charge on crate for shipment; (3) Invoice for shipping charges; (4) Invoice letter dated 23 July 1959 signed by Z. L. Richards for an order shipped to the U.S. Bureau of Reclamation office at Austin, Texas; (5) Receipts for shipped orders; (6) Letter dated 27 June 1959 signed by Z. L. Richards to the U.S. Bureau of Reclamation office at Austin, Texas; (7) Purchase order dated 12 June 1959 from the U.S. Bureau of Reclamation office at Austin, Texas, to Lark Instruments; (8) Letter dated 5 June 1959 from William E. Anderson at the U.S. Bureau of Reclamation office at Austin, Texas, to Lark Instruments, requesting quotations and delivery time for an order for products; (9) Letter dated 8 June 1959 from Z. L. Richards of Lark Instruments to William E. Anderson at the U.S. Bureau of Reclamation office at Austin, Texas, in response to his letter of 5 June 1959; (10) Advertising mailer from Postal Instant Printing; (11) Purchase order dated 11 July 1956 from Ray C. Geiberger, Farm Advisor for Santa Barbara County, to Lark Instruments with an order for tensiometer cups; (11) Invoice dated 13 July 1956 from Z. L. Richards at Lark Instruments to A. T. Eaves, Jr., County Auditor for Santa Barbara County for the order of 11 July 1956; (12) Letter dated 2 June 1958 from Don Schowalter at Cucamonga, California, to Lark Instruments, ordering two tensiometers; (13) Receipt for insured parcel, for shipping of products on 6 and 24 June 1958; (14) Invoice letter dated 17 September 1958 from Lark Instruments, signed by Z. L. Richards, to the Development and Resources Corporation in New York, N.Y., announcing shipping of an order; (13)