Rite in the Rain Side Spiral Notebook No. 373-MX (8.5" x 11") – Universal Pattern The Rite in the Rain No. 373-MX Side Spiral Notebook delivers a full-size, all-weather solution for detailed field documentation and data capture. Featuring the Universal page pattern , it provides a flexible layout for structured notes, sketches, and large-format field records, making it ideal for surveying, construction, and utility mapping workflows. Built with Rite in the Rain’s all-weather paper, this notebook resists water, mud, sweat, and grease to ensure critical data remains intact in demanding environments. The durable Polydura cover protects against wear, while the side spiral Wire-O binding allows pages to lay flat or fold back for efficient use in the field. With 84 pages (42 sheets) of full-size writing space, it supports extended field sessions and more complex documentation requirements. Key Features Universal pattern pages for flexible and structured note-taking 8.5" x 11" full-size format for detailed notes, sketches, and mapping All-weather paper resists water, sweat, mud, and grease Durable Polydura cover for protection in harsh environments Side spiral Wire-O binding for flat or fold-back use 84 pages / 42 sheets for extended fieldwork Ideal for surveying, construction, utility mapping, and inspection workflows