Contains correspondence to and from various sources including Yorkshire Naturalists' Trust (YNT) and its members, British Transport Docks Board, George de Boer, Nature Conservancy Council, Environmental Officer at BP Petroleum Development Ltd, Yorkshire Evening Press Nature Correspondent and Department of Trade and Industry.

Topics include George de Boer's retirement from Spurn Management Committee (SMC) (Dec 1982); estuarial planning, in particular the likelihood, location, consequences and suggestion for prevention of a breach at Spurn (Jul 1969); North Sea Storms 1690-1800 (Mar 1980); proposal for gas condensates pipeline at Spurn Head (Jul 1980); criticism of SMC and YNT; damage Humber Pilots' cars had done to birds; car parking; raising car admission fees; plans to install a portable giant Heligoland trap (Feb 1980); request for statistical information about erosion at Spurn and comments on state of northern end of peninsula (Jun 1978); bait digging (Aug 1979); new Coast Rescue Headquarters at Spurn Point (Mar 1973).

Also includes handwritten research notes 'References to Ravenser in Icelandic Literature'; notes from Spurn (c.1978, 1979, 1980, 1981); newspaper cuttings (1980, 1981); agenda for Spurn Bird Observatory meeting (Mar 1980); details of North Humberside Biological Data Scheme from Kingston upon Hull Museums and Art Galleries (Apr 1979).