This report discusses the issues involved with determining whether the Arecib Ionospheric Observatory is more cost-effective than replacing it with newer, available technology. The Arecibo Ionospheric Observatory is a radio and radar telescope located in Barrio Esperanza, Arecibo, Puerto Rico. In 2005-2006, NSF's Division of Astronomical Sciences (AST) conducted a Senior Review of its portfolio of facilities and reported that the scientific value of the Arecibo was modest when compared to other existing and proposed projects and recommended decreasing the telescope's annual $12.0 million budget to $9.0 million in FY2009, and securing partnerships for the remaining necessary funding.

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Disregard Restriction Header and Footer - RC Transformation in Puerto Rico - Impacted Sites: AFRC Ceiba; AFRC Fort Allen; AFRC Mayaguez; AFRC Fort Buchanan

Photograph of a scene from the Hocker Family's vacation to Cataño, PR.

Photograph of a scene from the Hocker Family's vacation to Cataño, PR.

Photograph of a scene from the Hocker Family's vacation to Cataño, PR.

Photograph of a scene from the Hocker Family's vacation to Cataño, PR.

Photograph of the Bacardi Rum Distillery, in Cataño, PR.

Photograph of a scene at a fort, from the Hocker Family's vacation to Cataño, PR.

Close-up photograph of the fruits, flower buds, and leaves of an unidentified plant growing in Mayaguez, Puerto Rico. The plant's more developed fruits are red, and green undeveloped fruits appear on the same branch below. Yellow-white buds are featured on the bottom right.

Close-up photograph of a cross-section of the stem of Danaea nodosa. This photograph was taken in the Maricao Forest of Puerto Rico.

Close-up photograph of a cross-section of the stem of the fern Danaea nodosa. This photograph was taken in the Maricao Forest of Puerto Rico.

Close-up photograph of a cross-section of the stem of Danaea nodosa, a tropical fern. This photograph was taken in the Maricao Forest of Puerto Rico.

This report used "annual peak-discharge records at fifty sites with five or more years of record" to determine individual site frequency curves. It includes several maps.

A topical, alphabetically arranged index to volumes 13-25 including experiment station records, publications reviewed, and foreign publications. In has a 'Consolidated Table of Contents' which lists all editorial notes and publications of the experiment stations and Department of Agriculture from the referenced volumes

A topical, alphabetically arranged index to volumes 61-70 including experiment station records, publications reviewed, and foreign publications. In has a list of all editorial notes from the referenced volumes.

Letter from the 65th Infantry Retirees and US Armed Forces Veterans Association, Inc. to Chairman Principi regarding BRAC recommendations for Fort Buchanan in the Commonwealth of Puerto Rico.

Executive Correspondence - Letter from Governor Anibal Acevedo Vila, from the Commonwealth of Puerto Rico, to Chairman Principi, regarding BRAC recommendations for the Island.

Letter from H. L. Williams to Herman Lurie discussing the purchase of Puerto Rico raw sugars, including details for correspondence, quality, bags, cost, expenses, and sellers.

Letter from I. H. Kempner to Harris K. Weston discussing about two clippings attached, one regarding Imperial's contract and another on the sugar bill.

Letter from I. H. Kempner to Hugh Williams discussing the need to add more raw sugar to their supplies due to a strike in Cuba.

Letter from I. H. Kempner to Walter F. Woodul discussing amendments to the Sugar Act.

Letter from Manuel Sanchez-Rivera from the Retired Enlisted Association of Puerto Rico Chapter 64 to Chairman Pricipi regarding Fort Buchanan's BRAC realigment recommendations and stating a resolution in favor of the base.

Letter from R. M. Armstrong to I. H. Kempner discussing the Puerto Rican refined quota.