Fig. 12. Habitats in the central transect (table 2; figs. 3, 5; appendix 1), between San Simon and Lordsburg, 22 August 1990. Top. Site 28, looking W at Steins Pass from NM Hwy 80 along the gas pipeline road; creosote desertscrub. Bottom. Looking E from site 28; grassland and alkali flats in near background.