BRACK'S HARDWALL CACTUS
Ecosphere Environmental Services, Inc. 2011. Biological survey report: William Four Corners, LLC proposed Lateral R-5 pipeline lowering project. Submitted to BLM Farmington Field Office. 14 p.
URS Corporation. 2010. Biological survey report for Verizon Wireless NM1 Refinery, San Juan County. Submitted to BLM Farmington Field Office. 18 p.
Adkins Consulting, Inc. 2010. Biological survey report for the proposed San Juan 24P well pad and well-tie pipeline, Burlington Resources Oil & Gas Company. Submitted to BLM Farmington Field Office. 15 p.
Ecosphere Environmental Services, Inc. 2009. Biological survey report: Conoco Phillips Company proposed Pump Canyon compressor site pipeline re-route project. Submitted to BLM Farmington Field Office. 19 p.
Vivalda, M. 2008. Documentation of Mitigation Monitoring of Brack's hardwall cactus (Sclerocactus cloveriae ssp. brackii), COPC's Hamner #9S Well Pad Project.
Wickersham, J. 2005. Ecosphere Environmental Services Report on Threatened and Endangered Species on Atlantic LS #2C.
Kirker, N. 2005. Biological monitoring report construction in Brack's cactus habitat.
Tanner, J. 2004. Documentation of Brack's Fishhook Cactus (Sclerocactus cloveriae ssp. Brackii) within the NOE COM 27 1A well pad.
Powell, E.L. 2004. Ecosphere mitigation measures for Brack's fishhook cacti (Sclerocactus cloveriae var. brackii) within BP America Van Hook LS #1M well pad project.
Frye, K. 2016. Brack's cactus survey on BLM Farmington managed land. Ecosphere Environmental Service.