Aerial photo mosaic of the Miami River, Tillamook basin, Oregon in 1939

These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. The Tillamook Bay subbasins and Nehalem River basins encompass 1,369 and 2,207 respective square kilometers of northwestern Oregon and drain to the Pacific Ocean. The Tillamook, Trask, Wilson, Kilchis, and Miami Rivers flow into Tillamook Bay near the towns of Tillamook and Garibaldi. The Wilson and Trask River basins cover the largest areas (500 and 451 square kilometers, respectively) whereas the Tillamook and Kilchis Rivers encompass similar sized [...]

本数据集的发布时间早于2016年10月1日，彼时美国地质调查局（United States Geological Survey, USGS）有关科学数据审核、批准与发布的政策尚未正式生效，该政策详见USGS《调查手册第502.8章：基础科学实践：科学数据发布的审核与批准》。
蒂拉穆克湾子流域与尼黑利河（Nehalem River）流域分别覆盖俄勒冈州西北部1369平方千米与2207平方千米的范围，最终均注入太平洋。
蒂拉穆克河、特拉斯克河（Trask River）、威尔逊河（Wilson River）、基尔奇斯河（Kilchis River）与迈阿密河（Miami River）均在蒂拉穆克镇与加里波第镇附近汇入蒂拉穆克湾。
威尔逊河与特拉斯克河流域的面积最大，分别为500平方千米与451平方千米；而蒂拉穆克河与基尔奇斯河流域的面积相近[...]