Illinois Department of Natural ResourcesDivision of Natural Heritage
Below you will find supporting literature that informs the INAI processes, including the identification, nomination, and modification of sites:
The Illinois Natural Areas Plan (1980)
Illinois Sustainable Natural Areas Vision (2011)
The Natural Divisions of Illinois Part 2 (Schwegman 1973)
Natural Areas Inventory of Department Properties (1974)
INAI Technical Report ( White 1978)
Technical Report Summary (White 1978)
Ten Years Later (Schwegman 1989)
Illinois Natural Divisions (Schwegman 1997)
Conceptual foundation and philosophical framework for INAI 4th edition (White 2008)
Illinois Natural Areas Inventory Update Survey Manual (White 2009)
Grading Handbook - 4th edition (White 2009)