ARL has released Digital Collections Assessment and Outreach, SPEC Kit 341.
Here's an excerpt from the press release:
ARL has released Digital Collections Assessment and Outreach, SPEC Kit 341, which investigates what methods ARL member libraries use to maintain the relevancy of their locally curated digital library collections, and to continue to sustain, grow, capture return on investment, and enhance existing resources through outreach and assessment. The publication also explores current practices for integrating digital resources into the research, teaching, and learning environment.
Digital Scholarship | "A Quarter-Century as an Open Access Publisher"